Home / 7,350.76-10,143.16-4,164.40

Finding the Fourth Proportional to 7,350.76, 10,143.16 and 4,164.40

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Solution

The fourth proportional to 7,350.76, 10,143.16 and 4,164.40 is: 5,746.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,350.76 : 10,143.16 = 4,164.40 : x
  2. Step 2: Convert to fraction form
    7,350.76/10,143.16 = 4,164.40/x
  3. Step 3: Cross multiply
    7,350.76x = 10,143.16 × 4,164.40
  4. Step 4: Simplify right side
    7,350.76x = 42,240,175.50
  5. Step 5: Solve for x
    x = 42,240,175.50/7,350.76
  6. Step 6: Final answer
    x = 5,746.37

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Half scale
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Double scale
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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.