Home / 8,547.30-11,790.18-6,314.94

Finding the Fourth Proportional to 8,547.30, 11,790.18 and 6,314.94

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Solution

The fourth proportional to 8,547.30, 11,790.18 and 6,314.94 is: 8,710.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,547.30 : 11,790.18 = 6,314.94 : x
  2. Step 2: Convert to fraction form
    8,547.30/11,790.18 = 6,314.94/x
  3. Step 3: Cross multiply
    8,547.30x = 11,790.18 × 6,314.94
  4. Step 4: Simplify right side
    8,547.30x = 74,454,279.29
  5. Step 5: Solve for x
    x = 74,454,279.29/8,547.30
  6. Step 6: Final answer
    x = 8,710.85

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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.