Home / 10,352.76-15,520.04-4,117.18

Finding the Fourth Proportional to 10,352.76, 15,520.04 and 4,117.18

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Solution

The fourth proportional to 10,352.76, 15,520.04 and 4,117.18 is: 6,172.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,352.76 : 15,520.04 = 4,117.18 : x
  2. Step 2: Convert to fraction form
    10,352.76/15,520.04 = 4,117.18/x
  3. Step 3: Cross multiply
    10,352.76x = 15,520.04 × 4,117.18
  4. Step 4: Simplify right side
    10,352.76x = 63,898,798.29
  5. Step 5: Solve for x
    x = 63,898,798.29/10,352.76
  6. Step 6: Final answer
    x = 6,172.15

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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.