Home / 12,535.14-18,802.80-5,134.44

Finding the Fourth Proportional to 12,535.14, 18,802.80 and 5,134.44

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Solution

The fourth proportional to 12,535.14, 18,802.80 and 5,134.44 is: 7,701.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,535.14 : 18,802.80 = 5,134.44 : x
  2. Step 2: Convert to fraction form
    12,535.14/18,802.80 = 5,134.44/x
  3. Step 3: Cross multiply
    12,535.14x = 18,802.80 × 5,134.44
  4. Step 4: Simplify right side
    12,535.14x = 96,541,848.43
  5. Step 5: Solve for x
    x = 96,541,848.43/12,535.14
  6. Step 6: Final answer
    x = 7,701.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.