Home / 7,526.95-10,388.38-4,543.21

Finding the Fourth Proportional to 7,526.95, 10,388.38 and 4,543.21

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Solution

The fourth proportional to 7,526.95, 10,388.38 and 4,543.21 is: 6,270.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,526.95 : 10,388.38 = 4,543.21 : x
  2. Step 2: Convert to fraction form
    7,526.95/10,388.38 = 4,543.21/x
  3. Step 3: Cross multiply
    7,526.95x = 10,388.38 × 4,543.21
  4. Step 4: Simplify right side
    7,526.95x = 47,196,591.90
  5. Step 5: Solve for x
    x = 47,196,591.90/7,526.95
  6. Step 6: Final answer
    x = 6,270.35

Related Problems

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Half scale
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Double scale
Find fourth proportional to 7,527.95, 10,389.76 and 4,544.21
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.