Home / 10,862.50-14,989.53-6,081.61

Finding the Fourth Proportional to 10,862.50, 14,989.53 and 6,081.61

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Solution

The fourth proportional to 10,862.50, 14,989.53 and 6,081.61 is: 8,392.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,862.50 : 14,989.53 = 6,081.61 : x
  2. Step 2: Convert to fraction form
    10,862.50/14,989.53 = 6,081.61/x
  3. Step 3: Cross multiply
    10,862.50x = 14,989.53 × 6,081.61
  4. Step 4: Simplify right side
    10,862.50x = 91,160,475.54
  5. Step 5: Solve for x
    x = 91,160,475.54/10,862.50
  6. Step 6: Final answer
    x = 8,392.22

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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.