Home / 10,578.88-15,868.44-5,032.76

Finding the Fourth Proportional to 10,578.88, 15,868.44 and 5,032.76

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Solution

The fourth proportional to 10,578.88, 15,868.44 and 5,032.76 is: 7,549.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,578.88 : 15,868.44 = 5,032.76 : x
  2. Step 2: Convert to fraction form
    10,578.88/15,868.44 = 5,032.76/x
  3. Step 3: Cross multiply
    10,578.88x = 15,868.44 × 5,032.76
  4. Step 4: Simplify right side
    10,578.88x = 79,862,050.09
  5. Step 5: Solve for x
    x = 79,862,050.09/10,578.88
  6. Step 6: Final answer
    x = 7,549.20

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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.