Home / 12,055.18-16,634.21-7,575.76

Finding the Fourth Proportional to 12,055.18, 16,634.21 and 7,575.76

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Solution

The fourth proportional to 12,055.18, 16,634.21 and 7,575.76 is: 10,453.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,055.18 : 16,634.21 = 7,575.76 : x
  2. Step 2: Convert to fraction form
    12,055.18/16,634.21 = 7,575.76/x
  3. Step 3: Cross multiply
    12,055.18x = 16,634.21 × 7,575.76
  4. Step 4: Simplify right side
    12,055.18x = 126,016,807.50
  5. Step 5: Solve for x
    x = 126,016,807.50/12,055.18
  6. Step 6: Final answer
    x = 10,453.33

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.