Home / 11,508.01-15,881.90-7,032.62

Finding the Fourth Proportional to 11,508.01, 15,881.90 and 7,032.62

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Solution

The fourth proportional to 11,508.01, 15,881.90 and 7,032.62 is: 9,705.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,508.01 : 15,881.90 = 7,032.62 : x
  2. Step 2: Convert to fraction form
    11,508.01/15,881.90 = 7,032.62/x
  3. Step 3: Cross multiply
    11,508.01x = 15,881.90 × 7,032.62
  4. Step 4: Simplify right side
    11,508.01x = 111,691,372.12
  5. Step 5: Solve for x
    x = 111,691,372.12/11,508.01
  6. Step 6: Final answer
    x = 9,705.54

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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.