Home / 11,023.17-15,211.96-5,987.40

Finding the Fourth Proportional to 11,023.17, 15,211.96 and 5,987.40

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Solution

The fourth proportional to 11,023.17, 15,211.96 and 5,987.40 is: 8,262.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,023.17 : 15,211.96 = 5,987.40 : x
  2. Step 2: Convert to fraction form
    11,023.17/15,211.96 = 5,987.40/x
  3. Step 3: Cross multiply
    11,023.17x = 15,211.96 × 5,987.40
  4. Step 4: Simplify right side
    11,023.17x = 91,080,089.30
  5. Step 5: Solve for x
    x = 91,080,089.30/11,023.17
  6. Step 6: Final answer
    x = 8,262.60

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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.