Home / 11,332.50-17,005.62-7,166.76

Finding the Fourth Proportional to 11,332.50, 17,005.62 and 7,166.76

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Solution

The fourth proportional to 11,332.50, 17,005.62 and 7,166.76 is: 10,754.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,332.50 : 17,005.62 = 7,166.76 : x
  2. Step 2: Convert to fraction form
    11,332.50/17,005.62 = 7,166.76/x
  3. Step 3: Cross multiply
    11,332.50x = 17,005.62 × 7,166.76
  4. Step 4: Simplify right side
    11,332.50x = 121,875,197.19
  5. Step 5: Solve for x
    x = 121,875,197.19/11,332.50
  6. Step 6: Final answer
    x = 10,754.48

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Half scale
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Double scale
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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.