Home / 7,561.24-10,431.14-5,040.90

Finding the Fourth Proportional to 7,561.24, 10,431.14 and 5,040.90

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Solution

The fourth proportional to 7,561.24, 10,431.14 and 5,040.90 is: 6,954.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,561.24 : 10,431.14 = 5,040.90 : x
  2. Step 2: Convert to fraction form
    7,561.24/10,431.14 = 5,040.90/x
  3. Step 3: Cross multiply
    7,561.24x = 10,431.14 × 5,040.90
  4. Step 4: Simplify right side
    7,561.24x = 52,582,333.63
  5. Step 5: Solve for x
    x = 52,582,333.63/7,561.24
  6. Step 6: Final answer
    x = 6,954.19

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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.