Home / 8,874.29-12,248.65-5,336.81

Finding the Fourth Proportional to 8,874.29, 12,248.65 and 5,336.81

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Solution

The fourth proportional to 8,874.29, 12,248.65 and 5,336.81 is: 7,366.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,874.29 : 12,248.65 = 5,336.81 : x
  2. Step 2: Convert to fraction form
    8,874.29/12,248.65 = 5,336.81/x
  3. Step 3: Cross multiply
    8,874.29x = 12,248.65 × 5,336.81
  4. Step 4: Simplify right side
    8,874.29x = 65,368,735.09
  5. Step 5: Solve for x
    x = 65,368,735.09/8,874.29
  6. Step 6: Final answer
    x = 7,366.08

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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.