Home / 12,923.29-19,385.03-5,132.08

Finding the Fourth Proportional to 12,923.29, 19,385.03 and 5,132.08

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Solution

The fourth proportional to 12,923.29, 19,385.03 and 5,132.08 is: 7,698.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,923.29 : 19,385.03 = 5,132.08 : x
  2. Step 2: Convert to fraction form
    12,923.29/19,385.03 = 5,132.08/x
  3. Step 3: Cross multiply
    12,923.29x = 19,385.03 × 5,132.08
  4. Step 4: Simplify right side
    12,923.29x = 99,485,524.76
  5. Step 5: Solve for x
    x = 99,485,524.76/12,923.29
  6. Step 6: Final answer
    x = 7,698.16

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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.