Home / 11,366.78-15,686.65-6,331.01

Finding the Fourth Proportional to 11,366.78, 15,686.65 and 6,331.01

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Solution

The fourth proportional to 11,366.78, 15,686.65 and 6,331.01 is: 8,737.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,366.78 : 15,686.65 = 6,331.01 : x
  2. Step 2: Convert to fraction form
    11,366.78/15,686.65 = 6,331.01/x
  3. Step 3: Cross multiply
    11,366.78x = 15,686.65 × 6,331.01
  4. Step 4: Simplify right side
    11,366.78x = 99,312,243.76
  5. Step 5: Solve for x
    x = 99,312,243.76/11,366.78
  6. Step 6: Final answer
    x = 8,737.06

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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.