Home / 11,158.76-15,401.86-6,442.36

Finding the Fourth Proportional to 11,158.76, 15,401.86 and 6,442.36

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Solution

The fourth proportional to 11,158.76, 15,401.86 and 6,442.36 is: 8,892.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,158.76 : 15,401.86 = 6,442.36 : x
  2. Step 2: Convert to fraction form
    11,158.76/15,401.86 = 6,442.36/x
  3. Step 3: Cross multiply
    11,158.76x = 15,401.86 × 6,442.36
  4. Step 4: Simplify right side
    11,158.76x = 99,224,326.79
  5. Step 5: Solve for x
    x = 99,224,326.79/11,158.76
  6. Step 6: Final answer
    x = 8,892.06

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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.