Home / 12,240.18-16,892.25-6,862.98

Finding the Fourth Proportional to 12,240.18, 16,892.25 and 6,862.98

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Solution

The fourth proportional to 12,240.18, 16,892.25 and 6,862.98 is: 9,471.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,240.18 : 16,892.25 = 6,862.98 : x
  2. Step 2: Convert to fraction form
    12,240.18/16,892.25 = 6,862.98/x
  3. Step 3: Cross multiply
    12,240.18x = 16,892.25 × 6,862.98
  4. Step 4: Simplify right side
    12,240.18x = 115,931,173.91
  5. Step 5: Solve for x
    x = 115,931,173.91/12,240.18
  6. Step 6: Final answer
    x = 9,471.36

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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.