Home / 10,025.28-15,050.88-5,411.52

Finding the Fourth Proportional to 10,025.28, 15,050.88 and 5,411.52

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Solution

The fourth proportional to 10,025.28, 15,050.88 and 5,411.52 is: 8,124.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,025.28 : 15,050.88 = 5,411.52 : x
  2. Step 2: Convert to fraction form
    10,025.28/15,050.88 = 5,411.52/x
  3. Step 3: Cross multiply
    10,025.28x = 15,050.88 × 5,411.52
  4. Step 4: Simplify right side
    10,025.28x = 81,448,138.14
  5. Step 5: Solve for x
    x = 81,448,138.14/10,025.28
  6. Step 6: Final answer
    x = 8,124.28

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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.