Home / 9,580.31-13,218.85-5,600.65

Finding the Fourth Proportional to 9,580.31, 13,218.85 and 5,600.65

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Solution

The fourth proportional to 9,580.31, 13,218.85 and 5,600.65 is: 7,727.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,580.31 : 13,218.85 = 5,600.65 : x
  2. Step 2: Convert to fraction form
    9,580.31/13,218.85 = 5,600.65/x
  3. Step 3: Cross multiply
    9,580.31x = 13,218.85 × 5,600.65
  4. Step 4: Simplify right side
    9,580.31x = 74,034,124.25
  5. Step 5: Solve for x
    x = 74,034,124.25/9,580.31
  6. Step 6: Final answer
    x = 7,727.74

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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.