Home / 9,021.18-13,538.25-5,560.86

Finding the Fourth Proportional to 9,021.18, 13,538.25 and 5,560.86

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Solution

The fourth proportional to 9,021.18, 13,538.25 and 5,560.86 is: 8,345.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.18 : 13,538.25 = 5,560.86 : x
  2. Step 2: Convert to fraction form
    9,021.18/13,538.25 = 5,560.86/x
  3. Step 3: Cross multiply
    9,021.18x = 13,538.25 × 5,560.86
  4. Step 4: Simplify right side
    9,021.18x = 75,284,312.90
  5. Step 5: Solve for x
    x = 75,284,312.90/9,021.18
  6. Step 6: Final answer
    x = 8,345.28

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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.