Home / 8,677.48-11,972.10-5,534.68

Finding the Fourth Proportional to 8,677.48, 11,972.10 and 5,534.68

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Solution

The fourth proportional to 8,677.48, 11,972.10 and 5,534.68 is: 7,636.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,677.48 : 11,972.10 = 5,534.68 : x
  2. Step 2: Convert to fraction form
    8,677.48/11,972.10 = 5,534.68/x
  3. Step 3: Cross multiply
    8,677.48x = 11,972.10 × 5,534.68
  4. Step 4: Simplify right side
    8,677.48x = 66,261,742.43
  5. Step 5: Solve for x
    x = 66,261,742.43/8,677.48
  6. Step 6: Final answer
    x = 7,636.06

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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.