Home / 11,360.01-15,624.77-9,116.96

Finding the Fourth Proportional to 11,360.01, 15,624.77 and 9,116.96

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Solution

The fourth proportional to 11,360.01, 15,624.77 and 9,116.96 is: 12,539.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,360.01 : 15,624.77 = 9,116.96 : x
  2. Step 2: Convert to fraction form
    11,360.01/15,624.77 = 9,116.96/x
  3. Step 3: Cross multiply
    11,360.01x = 15,624.77 × 9,116.96
  4. Step 4: Simplify right side
    11,360.01x = 142,450,279.39
  5. Step 5: Solve for x
    x = 142,450,279.39/11,360.01
  6. Step 6: Final answer
    x = 12,539.63

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Half 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.