Home / 9,531.30-14,264.55-8,364.90

Finding the Fourth Proportional to 9,531.30, 14,264.55 and 8,364.90

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Solution

The fourth proportional to 9,531.30, 14,264.55 and 8,364.90 is: 12,518.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,531.30 : 14,264.55 = 8,364.90 : x
  2. Step 2: Convert to fraction form
    9,531.30/14,264.55 = 8,364.90/x
  3. Step 3: Cross multiply
    9,531.30x = 14,264.55 × 8,364.90
  4. Step 4: Simplify right side
    9,531.30x = 119,321,534.30
  5. Step 5: Solve for x
    x = 119,321,534.30/9,531.30
  6. Step 6: Final answer
    x = 12,518.91

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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.