Home / 9,417.75-14,128.78-4,154.25

Finding the Fourth Proportional to 9,417.75, 14,128.78 and 4,154.25

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Solution

The fourth proportional to 9,417.75, 14,128.78 and 4,154.25 is: 6,232.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,417.75 : 14,128.78 = 4,154.25 : x
  2. Step 2: Convert to fraction form
    9,417.75/14,128.78 = 4,154.25/x
  3. Step 3: Cross multiply
    9,417.75x = 14,128.78 × 4,154.25
  4. Step 4: Simplify right side
    9,417.75x = 58,694,534.70
  5. Step 5: Solve for x
    x = 58,694,534.70/9,417.75
  6. Step 6: Final answer
    x = 6,232.33

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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.