Home / 11,538.10-17,312.61-5,988.48

Finding the Fourth Proportional to 11,538.10, 17,312.61 and 5,988.48

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Solution

The fourth proportional to 11,538.10, 17,312.61 and 5,988.48 is: 8,985.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,538.10 : 17,312.61 = 5,988.48 : x
  2. Step 2: Convert to fraction form
    11,538.10/17,312.61 = 5,988.48/x
  3. Step 3: Cross multiply
    11,538.10x = 17,312.61 × 5,988.48
  4. Step 4: Simplify right side
    11,538.10x = 103,676,218.73
  5. Step 5: Solve for x
    x = 103,676,218.73/11,538.10
  6. Step 6: Final answer
    x = 8,985.55

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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.