Home / 13,148.61-19,729.06-5,752.11

Finding the Fourth Proportional to 13,148.61, 19,729.06 and 5,752.11

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Solution

The fourth proportional to 13,148.61, 19,729.06 and 5,752.11 is: 8,630.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,148.61 : 19,729.06 = 5,752.11 : x
  2. Step 2: Convert to fraction form
    13,148.61/19,729.06 = 5,752.11/x
  3. Step 3: Cross multiply
    13,148.61x = 19,729.06 × 5,752.11
  4. Step 4: Simplify right side
    13,148.61x = 113,483,723.32
  5. Step 5: Solve for x
    x = 113,483,723.32/13,148.61
  6. Step 6: Final answer
    x = 8,630.85

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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.