Home / 11,253.04-15,524.40-7,272.70

Finding the Fourth Proportional to 11,253.04, 15,524.40 and 7,272.70

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Solution

The fourth proportional to 11,253.04, 15,524.40 and 7,272.70 is: 10,033.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,253.04 : 15,524.40 = 7,272.70 : x
  2. Step 2: Convert to fraction form
    11,253.04/15,524.40 = 7,272.70/x
  3. Step 3: Cross multiply
    11,253.04x = 15,524.40 × 7,272.70
  4. Step 4: Simplify right side
    11,253.04x = 112,904,303.88
  5. Step 5: Solve for x
    x = 112,904,303.88/11,253.04
  6. Step 6: Final answer
    x = 10,033.23

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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.