Home / 8,954.24-12,356.97-5,417.45

Finding the Fourth Proportional to 8,954.24, 12,356.97 and 5,417.45

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Solution

The fourth proportional to 8,954.24, 12,356.97 and 5,417.45 is: 7,476.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,954.24 : 12,356.97 = 5,417.45 : x
  2. Step 2: Convert to fraction form
    8,954.24/12,356.97 = 5,417.45/x
  3. Step 3: Cross multiply
    8,954.24x = 12,356.97 × 5,417.45
  4. Step 4: Simplify right side
    8,954.24x = 66,943,231.36
  5. Step 5: Solve for x
    x = 66,943,231.36/8,954.24
  6. Step 6: Final answer
    x = 7,476.15

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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.