Home / 10,012.38-13,816.54-5,535.87

Finding the Fourth Proportional to 10,012.38, 13,816.54 and 5,535.87

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Solution

The fourth proportional to 10,012.38, 13,816.54 and 5,535.87 is: 7,639.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,012.38 : 13,816.54 = 5,535.87 : x
  2. Step 2: Convert to fraction form
    10,012.38/13,816.54 = 5,535.87/x
  3. Step 3: Cross multiply
    10,012.38x = 13,816.54 × 5,535.87
  4. Step 4: Simplify right side
    10,012.38x = 76,486,569.29
  5. Step 5: Solve for x
    x = 76,486,569.29/10,012.38
  6. Step 6: Final answer
    x = 7,639.20

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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.