Home / 9,108.43-12,569.97-5,075.62

Finding the Fourth Proportional to 9,108.43, 12,569.97 and 5,075.62

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Solution

The fourth proportional to 9,108.43, 12,569.97 and 5,075.62 is: 7,004.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,108.43 : 12,569.97 = 5,075.62 : x
  2. Step 2: Convert to fraction form
    9,108.43/12,569.97 = 5,075.62/x
  3. Step 3: Cross multiply
    9,108.43x = 12,569.97 × 5,075.62
  4. Step 4: Simplify right side
    9,108.43x = 63,800,391.13
  5. Step 5: Solve for x
    x = 63,800,391.13/9,108.43
  6. Step 6: Final answer
    x = 7,004.54

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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.