Home / 11,750.48-17,613.28-8,971.12

Finding the Fourth Proportional to 11,750.48, 17,613.28 and 8,971.12

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Solution

The fourth proportional to 11,750.48, 17,613.28 and 8,971.12 is: 13,447.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,750.48 : 17,613.28 = 8,971.12 : x
  2. Step 2: Convert to fraction form
    11,750.48/17,613.28 = 8,971.12/x
  3. Step 3: Cross multiply
    11,750.48x = 17,613.28 × 8,971.12
  4. Step 4: Simplify right side
    11,750.48x = 158,010,848.47
  5. Step 5: Solve for x
    x = 158,010,848.47/11,750.48
  6. Step 6: Final answer
    x = 13,447.18

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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.