Home / 12,429.96-18,645.64-5,034.24

Finding the Fourth Proportional to 12,429.96, 18,645.64 and 5,034.24

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Solution

The fourth proportional to 12,429.96, 18,645.64 and 5,034.24 is: 7,551.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,429.96 : 18,645.64 = 5,034.24 : x
  2. Step 2: Convert to fraction form
    12,429.96/18,645.64 = 5,034.24/x
  3. Step 3: Cross multiply
    12,429.96x = 18,645.64 × 5,034.24
  4. Step 4: Simplify right side
    12,429.96x = 93,866,626.71
  5. Step 5: Solve for x
    x = 93,866,626.71/12,429.96
  6. Step 6: Final answer
    x = 7,551.64

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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.