Home / 9,029.58-13,545.73-5,125.78

Finding the Fourth Proportional to 9,029.58, 13,545.73 and 5,125.78

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Solution

The fourth proportional to 9,029.58, 13,545.73 and 5,125.78 is: 7,689.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,029.58 : 13,545.73 = 5,125.78 : x
  2. Step 2: Convert to fraction form
    9,029.58/13,545.73 = 5,125.78/x
  3. Step 3: Cross multiply
    9,029.58x = 13,545.73 × 5,125.78
  4. Step 4: Simplify right side
    9,029.58x = 69,432,455.26
  5. Step 5: Solve for x
    x = 69,432,455.26/9,029.58
  6. Step 6: Final answer
    x = 7,689.45

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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.