Home / 11,117.52-15,343.05-6,338.96

Finding the Fourth Proportional to 11,117.52, 15,343.05 and 6,338.96

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Solution

The fourth proportional to 11,117.52, 15,343.05 and 6,338.96 is: 8,748.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,117.52 : 15,343.05 = 6,338.96 : x
  2. Step 2: Convert to fraction form
    11,117.52/15,343.05 = 6,338.96/x
  3. Step 3: Cross multiply
    11,117.52x = 15,343.05 × 6,338.96
  4. Step 4: Simplify right side
    11,117.52x = 97,258,984.82
  5. Step 5: Solve for x
    x = 97,258,984.82/11,117.52
  6. Step 6: Final answer
    x = 8,748.26

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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.