Home / 9,192.50-12,685.66-5,000.76

Finding the Fourth Proportional to 9,192.50, 12,685.66 and 5,000.76

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Solution

The fourth proportional to 9,192.50, 12,685.66 and 5,000.76 is: 6,901.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,192.50 : 12,685.66 = 5,000.76 : x
  2. Step 2: Convert to fraction form
    9,192.50/12,685.66 = 5,000.76/x
  3. Step 3: Cross multiply
    9,192.50x = 12,685.66 × 5,000.76
  4. Step 4: Simplify right side
    9,192.50x = 63,437,941.10
  5. Step 5: Solve for x
    x = 63,437,941.10/9,192.50
  6. Step 6: Final answer
    x = 6,901.05

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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.