Home / 12,509.13-18,763.68-5,016.07

Finding the Fourth Proportional to 12,509.13, 18,763.68 and 5,016.07

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Solution

The fourth proportional to 12,509.13, 18,763.68 and 5,016.07 is: 7,524.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,509.13 : 18,763.68 = 5,016.07 : x
  2. Step 2: Convert to fraction form
    12,509.13/18,763.68 = 5,016.07/x
  3. Step 3: Cross multiply
    12,509.13x = 18,763.68 × 5,016.07
  4. Step 4: Simplify right side
    12,509.13x = 94,119,974.60
  5. Step 5: Solve for x
    x = 94,119,974.60/12,509.13
  6. Step 6: Final answer
    x = 7,524.10

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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.