Home / 8,927.61-12,319.92-4,948.71

Finding the Fourth Proportional to 8,927.61, 12,319.92 and 4,948.71

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Solution

The fourth proportional to 8,927.61, 12,319.92 and 4,948.71 is: 6,829.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,927.61 : 12,319.92 = 4,948.71 : x
  2. Step 2: Convert to fraction form
    8,927.61/12,319.92 = 4,948.71/x
  3. Step 3: Cross multiply
    8,927.61x = 12,319.92 × 4,948.71
  4. Step 4: Simplify right side
    8,927.61x = 60,967,711.30
  5. Step 5: Solve for x
    x = 60,967,711.30/8,927.61
  6. Step 6: Final answer
    x = 6,829.12

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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.