Home / 9,224.52-12,731.64-5,245.20

Finding the Fourth Proportional to 9,224.52, 12,731.64 and 5,245.20

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Solution

The fourth proportional to 9,224.52, 12,731.64 and 5,245.20 is: 7,239.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,224.52 : 12,731.64 = 5,245.20 : x
  2. Step 2: Convert to fraction form
    9,224.52/12,731.64 = 5,245.20/x
  3. Step 3: Cross multiply
    9,224.52x = 12,731.64 × 5,245.20
  4. Step 4: Simplify right side
    9,224.52x = 66,779,998.13
  5. Step 5: Solve for x
    x = 66,779,998.13/9,224.52
  6. Step 6: Final answer
    x = 7,239.40

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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.