Home / 11,031.60-16,538.76-7,558.32

Finding the Fourth Proportional to 11,031.60, 16,538.76 and 7,558.32

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Solution

The fourth proportional to 11,031.60, 16,538.76 and 7,558.32 is: 11,331.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,031.60 : 16,538.76 = 7,558.32 : x
  2. Step 2: Convert to fraction form
    11,031.60/16,538.76 = 7,558.32/x
  3. Step 3: Cross multiply
    11,031.60x = 16,538.76 × 7,558.32
  4. Step 4: Simplify right side
    11,031.60x = 125,005,240.48
  5. Step 5: Solve for x
    x = 125,005,240.48/11,031.60
  6. Step 6: Final answer
    x = 11,331.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.