Home / 10,887.24-15,015.92-7,301.01

Finding the Fourth Proportional to 10,887.24, 15,015.92 and 7,301.01

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Solution

The fourth proportional to 10,887.24, 15,015.92 and 7,301.01 is: 10,069.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,887.24 : 15,015.92 = 7,301.01 : x
  2. Step 2: Convert to fraction form
    10,887.24/15,015.92 = 7,301.01/x
  3. Step 3: Cross multiply
    10,887.24x = 15,015.92 × 7,301.01
  4. Step 4: Simplify right side
    10,887.24x = 109,631,382.08
  5. Step 5: Solve for x
    x = 109,631,382.08/10,887.24
  6. Step 6: Final answer
    x = 10,069.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.