Home / 11,062.60-15,262.05-7,287.74

Finding the Fourth Proportional to 11,062.60, 15,262.05 and 7,287.74

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Solution

The fourth proportional to 11,062.60, 15,262.05 and 7,287.74 is: 10,054.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,062.60 : 15,262.05 = 7,287.74 : x
  2. Step 2: Convert to fraction form
    11,062.60/15,262.05 = 7,287.74/x
  3. Step 3: Cross multiply
    11,062.60x = 15,262.05 × 7,287.74
  4. Step 4: Simplify right side
    11,062.60x = 111,225,815.83
  5. Step 5: Solve for x
    x = 111,225,815.83/11,062.60
  6. Step 6: Final answer
    x = 10,054.22

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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.