Home / 11,531.74-15,914.18-6,752.16

Finding the Fourth Proportional to 11,531.74, 15,914.18 and 6,752.16

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Solution

The fourth proportional to 11,531.74, 15,914.18 and 6,752.16 is: 9,318.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,531.74 : 15,914.18 = 6,752.16 : x
  2. Step 2: Convert to fraction form
    11,531.74/15,914.18 = 6,752.16/x
  3. Step 3: Cross multiply
    11,531.74x = 15,914.18 × 6,752.16
  4. Step 4: Simplify right side
    11,531.74x = 107,455,089.63
  5. Step 5: Solve for x
    x = 107,455,089.63/11,531.74
  6. Step 6: Final answer
    x = 9,318.20

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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.