Home / 11,090.92-15,306.36-6,312.36

Finding the Fourth Proportional to 11,090.92, 15,306.36 and 6,312.36

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Solution

The fourth proportional to 11,090.92, 15,306.36 and 6,312.36 is: 8,711.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,090.92 : 15,306.36 = 6,312.36 : x
  2. Step 2: Convert to fraction form
    11,090.92/15,306.36 = 6,312.36/x
  3. Step 3: Cross multiply
    11,090.92x = 15,306.36 × 6,312.36
  4. Step 4: Simplify right side
    11,090.92x = 96,619,254.61
  5. Step 5: Solve for x
    x = 96,619,254.61/11,090.92
  6. Step 6: Final answer
    x = 8,711.56

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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.