Home / 9,421.38-13,001.50-5,230.44

Finding the Fourth Proportional to 9,421.38, 13,001.50 and 5,230.44

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Solution

The fourth proportional to 9,421.38, 13,001.50 and 5,230.44 is: 7,218.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,421.38 : 13,001.50 = 5,230.44 : x
  2. Step 2: Convert to fraction form
    9,421.38/13,001.50 = 5,230.44/x
  3. Step 3: Cross multiply
    9,421.38x = 13,001.50 × 5,230.44
  4. Step 4: Simplify right side
    9,421.38x = 68,003,565.66
  5. Step 5: Solve for x
    x = 68,003,565.66/9,421.38
  6. Step 6: Final answer
    x = 7,218.00

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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.