Home / 11,549.34-15,929.91-11,376.54

Finding the Fourth Proportional to 11,549.34, 15,929.91 and 11,376.54

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Solution

The fourth proportional to 11,549.34, 15,929.91 and 11,376.54 is: 15,691.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,549.34 : 15,929.91 = 11,376.54 : x
  2. Step 2: Convert to fraction form
    11,549.34/15,929.91 = 11,376.54/x
  3. Step 3: Cross multiply
    11,549.34x = 15,929.91 × 11,376.54
  4. Step 4: Simplify right side
    11,549.34x = 181,227,258.31
  5. Step 5: Solve for x
    x = 181,227,258.31/11,549.34
  6. Step 6: Final answer
    x = 15,691.57

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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.