Home / 7,475.63-10,316.84-4,118.45

Finding the Fourth Proportional to 7,475.63, 10,316.84 and 4,118.45

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Solution

The fourth proportional to 7,475.63, 10,316.84 and 4,118.45 is: 5,683.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,475.63 : 10,316.84 = 4,118.45 : x
  2. Step 2: Convert to fraction form
    7,475.63/10,316.84 = 4,118.45/x
  3. Step 3: Cross multiply
    7,475.63x = 10,316.84 × 4,118.45
  4. Step 4: Simplify right side
    7,475.63x = 42,489,317.52
  5. Step 5: Solve for x
    x = 42,489,317.52/7,475.63
  6. Step 6: Final answer
    x = 5,683.71

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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.