Home / 10,358.28-14,294.14-5,642.60

Finding the Fourth Proportional to 10,358.28, 14,294.14 and 5,642.60

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Solution

The fourth proportional to 10,358.28, 14,294.14 and 5,642.60 is: 7,786.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,358.28 : 14,294.14 = 5,642.60 : x
  2. Step 2: Convert to fraction form
    10,358.28/14,294.14 = 5,642.60/x
  3. Step 3: Cross multiply
    10,358.28x = 14,294.14 × 5,642.60
  4. Step 4: Simplify right side
    10,358.28x = 80,656,028.79
  5. Step 5: Solve for x
    x = 80,656,028.79/10,358.28
  6. Step 6: Final answer
    x = 7,786.62

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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.