Home / 11,182.38-15,421.08-7,347.27

Finding the Fourth Proportional to 11,182.38, 15,421.08 and 7,347.27

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Solution

The fourth proportional to 11,182.38, 15,421.08 and 7,347.27 is: 10,132.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,182.38 : 15,421.08 = 7,347.27 : x
  2. Step 2: Convert to fraction form
    11,182.38/15,421.08 = 7,347.27/x
  3. Step 3: Cross multiply
    11,182.38x = 15,421.08 × 7,347.27
  4. Step 4: Simplify right side
    11,182.38x = 113,302,761.35
  5. Step 5: Solve for x
    x = 113,302,761.35/11,182.38
  6. Step 6: Final answer
    x = 10,132.26

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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.