Home / 10,520.60-15,780.75-6,084.94

Finding the Fourth Proportional to 10,520.60, 15,780.75 and 6,084.94

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Solution

The fourth proportional to 10,520.60, 15,780.75 and 6,084.94 is: 9,127.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,520.60 : 15,780.75 = 6,084.94 : x
  2. Step 2: Convert to fraction form
    10,520.60/15,780.75 = 6,084.94/x
  3. Step 3: Cross multiply
    10,520.60x = 15,780.75 × 6,084.94
  4. Step 4: Simplify right side
    10,520.60x = 96,024,916.91
  5. Step 5: Solve for x
    x = 96,024,916.91/10,520.60
  6. Step 6: Final answer
    x = 9,127.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.