Home / 9,421.24-13,001.34-5,229.52

Finding the Fourth Proportional to 9,421.24, 13,001.34 and 5,229.52

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Solution

The fourth proportional to 9,421.24, 13,001.34 and 5,229.52 is: 7,216.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,421.24 : 13,001.34 = 5,229.52 : x
  2. Step 2: Convert to fraction form
    9,421.24/13,001.34 = 5,229.52/x
  3. Step 3: Cross multiply
    9,421.24x = 13,001.34 × 5,229.52
  4. Step 4: Simplify right side
    9,421.24x = 67,990,767.56
  5. Step 5: Solve for x
    x = 67,990,767.56/9,421.24
  6. Step 6: Final answer
    x = 7,216.75

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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.