Home / 10,869.93-16,197.95-10,517.13

Finding the Fourth Proportional to 10,869.93, 16,197.95 and 10,517.13

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Solution

The fourth proportional to 10,869.93, 16,197.95 and 10,517.13 is: 15,672.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,869.93 : 16,197.95 = 10,517.13 : x
  2. Step 2: Convert to fraction form
    10,869.93/16,197.95 = 10,517.13/x
  3. Step 3: Cross multiply
    10,869.93x = 16,197.95 × 10,517.13
  4. Step 4: Simplify right side
    10,869.93x = 170,355,972.18
  5. Step 5: Solve for x
    x = 170,355,972.18/10,869.93
  6. Step 6: Final answer
    x = 15,672.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.