Home / 8,929.31-12,323.18-4,951.70

Finding the Fourth Proportional to 8,929.31, 12,323.18 and 4,951.70

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Solution

The fourth proportional to 8,929.31, 12,323.18 and 4,951.70 is: 6,833.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,929.31 : 12,323.18 = 4,951.70 : x
  2. Step 2: Convert to fraction form
    8,929.31/12,323.18 = 4,951.70/x
  3. Step 3: Cross multiply
    8,929.31x = 12,323.18 × 4,951.70
  4. Step 4: Simplify right side
    8,929.31x = 61,020,690.41
  5. Step 5: Solve for x
    x = 61,020,690.41/8,929.31
  6. Step 6: Final answer
    x = 6,833.75

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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.