Home / 10,258.07-14,180.06-9,149.99

Finding the Fourth Proportional to 10,258.07, 14,180.06 and 9,149.99

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Solution

The fourth proportional to 10,258.07, 14,180.06 and 9,149.99 is: 12,648.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,258.07 : 14,180.06 = 9,149.99 : x
  2. Step 2: Convert to fraction form
    10,258.07/14,180.06 = 9,149.99/x
  3. Step 3: Cross multiply
    10,258.07x = 14,180.06 × 9,149.99
  4. Step 4: Simplify right side
    10,258.07x = 129,747,396.90
  5. Step 5: Solve for x
    x = 129,747,396.90/10,258.07
  6. Step 6: Final answer
    x = 12,648.32

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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.