Home / 10,967.60-16,467.60-7,695.20

Finding the Fourth Proportional to 10,967.60, 16,467.60 and 7,695.20

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Solution

The fourth proportional to 10,967.60, 16,467.60 and 7,695.20 is: 11,554.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,967.60 : 16,467.60 = 7,695.20 : x
  2. Step 2: Convert to fraction form
    10,967.60/16,467.60 = 7,695.20/x
  3. Step 3: Cross multiply
    10,967.60x = 16,467.60 × 7,695.20
  4. Step 4: Simplify right side
    10,967.60x = 126,721,475.52
  5. Step 5: Solve for x
    x = 126,721,475.52/10,967.60
  6. Step 6: Final answer
    x = 11,554.17

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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.