Home / 9,447.10-13,042.40-6,264.72

Finding the Fourth Proportional to 9,447.10, 13,042.40 and 6,264.72

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Solution

The fourth proportional to 9,447.10, 13,042.40 and 6,264.72 is: 8,648.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,447.10 : 13,042.40 = 6,264.72 : x
  2. Step 2: Convert to fraction form
    9,447.10/13,042.40 = 6,264.72/x
  3. Step 3: Cross multiply
    9,447.10x = 13,042.40 × 6,264.72
  4. Step 4: Simplify right side
    9,447.10x = 81,706,952.80
  5. Step 5: Solve for x
    x = 81,706,952.80/9,447.10
  6. Step 6: Final answer
    x = 8,648.89

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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.