Home / 13,048.25-18,006.06-7,079.69

Finding the Fourth Proportional to 13,048.25, 18,006.06 and 7,079.69

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Solution

The fourth proportional to 13,048.25, 18,006.06 and 7,079.69 is: 9,769.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,048.25 : 18,006.06 = 7,079.69 : x
  2. Step 2: Convert to fraction form
    13,048.25/18,006.06 = 7,079.69/x
  3. Step 3: Cross multiply
    13,048.25x = 18,006.06 × 7,079.69
  4. Step 4: Simplify right side
    13,048.25x = 127,477,322.92
  5. Step 5: Solve for x
    x = 127,477,322.92/13,048.25
  6. Step 6: Final answer
    x = 9,769.69

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Half scale
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Double scale
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Similar ratio
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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.