Home / 8,875.17-13,248.77-7,713.23

Finding the Fourth Proportional to 8,875.17, 13,248.77 and 7,713.23

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Solution

The fourth proportional to 8,875.17, 13,248.77 and 7,713.23 is: 11,514.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,875.17 : 13,248.77 = 7,713.23 : x
  2. Step 2: Convert to fraction form
    8,875.17/13,248.77 = 7,713.23/x
  3. Step 3: Cross multiply
    8,875.17x = 13,248.77 × 7,713.23
  4. Step 4: Simplify right side
    8,875.17x = 102,190,705.42
  5. Step 5: Solve for x
    x = 102,190,705.42/8,875.17
  6. Step 6: Final answer
    x = 11,514.23

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Double scale
Find fourth proportional to 8,876.17, 13,250.26 and 7,714.23
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.