Home / 12,509.24-18,758.10-4,713.08

Finding the Fourth Proportional to 12,509.24, 18,758.10 and 4,713.08

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Solution

The fourth proportional to 12,509.24, 18,758.10 and 4,713.08 is: 7,067.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,509.24 : 18,758.10 = 4,713.08 : x
  2. Step 2: Convert to fraction form
    12,509.24/18,758.10 = 4,713.08/x
  3. Step 3: Cross multiply
    12,509.24x = 18,758.10 × 4,713.08
  4. Step 4: Simplify right side
    12,509.24x = 88,408,425.95
  5. Step 5: Solve for x
    x = 88,408,425.95/12,509.24
  6. Step 6: Final answer
    x = 7,067.45

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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.