Home / 10,932.28-15,083.95-6,219.16

Finding the Fourth Proportional to 10,932.28, 15,083.95 and 6,219.16

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Solution

The fourth proportional to 10,932.28, 15,083.95 and 6,219.16 is: 8,580.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,932.28 : 15,083.95 = 6,219.16 : x
  2. Step 2: Convert to fraction form
    10,932.28/15,083.95 = 6,219.16/x
  3. Step 3: Cross multiply
    10,932.28x = 15,083.95 × 6,219.16
  4. Step 4: Simplify right side
    10,932.28x = 93,809,391.97
  5. Step 5: Solve for x
    x = 93,809,391.97/10,932.28
  6. Step 6: Final answer
    x = 8,580.96

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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.