Home / 10,344.28-15,513.12-4,102.45

Finding the Fourth Proportional to 10,344.28, 15,513.12 and 4,102.45

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Solution

The fourth proportional to 10,344.28, 15,513.12 and 4,102.45 is: 6,152.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,344.28 : 15,513.12 = 4,102.45 : x
  2. Step 2: Convert to fraction form
    10,344.28/15,513.12 = 4,102.45/x
  3. Step 3: Cross multiply
    10,344.28x = 15,513.12 × 4,102.45
  4. Step 4: Simplify right side
    10,344.28x = 63,641,760.36
  5. Step 5: Solve for x
    x = 63,641,760.36/10,344.28
  6. Step 6: Final answer
    x = 6,152.36

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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.