Home / 11,218.48-15,482.19-6,182.70

Finding the Fourth Proportional to 11,218.48, 15,482.19 and 6,182.70

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Solution

The fourth proportional to 11,218.48, 15,482.19 and 6,182.70 is: 8,532.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,218.48 : 15,482.19 = 6,182.70 : x
  2. Step 2: Convert to fraction form
    11,218.48/15,482.19 = 6,182.70/x
  3. Step 3: Cross multiply
    11,218.48x = 15,482.19 × 6,182.70
  4. Step 4: Simplify right side
    11,218.48x = 95,721,736.11
  5. Step 5: Solve for x
    x = 95,721,736.11/11,218.48
  6. Step 6: Final answer
    x = 8,532.50

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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.