Home / 10,614.74-15,915.36-5,065.16

Finding the Fourth Proportional to 10,614.74, 15,915.36 and 5,065.16

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Solution

The fourth proportional to 10,614.74, 15,915.36 and 5,065.16 is: 7,594.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,614.74 : 15,915.36 = 5,065.16 : x
  2. Step 2: Convert to fraction form
    10,614.74/15,915.36 = 5,065.16/x
  3. Step 3: Cross multiply
    10,614.74x = 15,915.36 × 5,065.16
  4. Step 4: Simplify right side
    10,614.74x = 80,613,844.86
  5. Step 5: Solve for x
    x = 80,613,844.86/10,614.74
  6. Step 6: Final answer
    x = 7,594.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.