Home / 12,501.62-18,752.45-5,106.08

Finding the Fourth Proportional to 12,501.62, 18,752.45 and 5,106.08

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Solution

The fourth proportional to 12,501.62, 18,752.45 and 5,106.08 is: 7,659.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,501.62 : 18,752.45 = 5,106.08 : x
  2. Step 2: Convert to fraction form
    12,501.62/18,752.45 = 5,106.08/x
  3. Step 3: Cross multiply
    12,501.62x = 18,752.45 × 5,106.08
  4. Step 4: Simplify right side
    12,501.62x = 95,751,390.60
  5. Step 5: Solve for x
    x = 95,751,390.60/12,501.62
  6. Step 6: Final answer
    x = 7,659.12

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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.