Home / 12,073.16-18,109.44-5,501.08

Finding the Fourth Proportional to 12,073.16, 18,109.44 and 5,501.08

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Solution

The fourth proportional to 12,073.16, 18,109.44 and 5,501.08 is: 8,251.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,073.16 : 18,109.44 = 5,501.08 : x
  2. Step 2: Convert to fraction form
    12,073.16/18,109.44 = 5,501.08/x
  3. Step 3: Cross multiply
    12,073.16x = 18,109.44 × 5,501.08
  4. Step 4: Simplify right side
    12,073.16x = 99,621,478.20
  5. Step 5: Solve for x
    x = 99,621,478.20/12,073.16
  6. Step 6: Final answer
    x = 8,251.48

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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.