Home / 9,344.82-12,895.78-5,153.07

Finding the Fourth Proportional to 9,344.82, 12,895.78 and 5,153.07

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Solution

The fourth proportional to 9,344.82, 12,895.78 and 5,153.07 is: 7,111.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,344.82 : 12,895.78 = 5,153.07 : x
  2. Step 2: Convert to fraction form
    9,344.82/12,895.78 = 5,153.07/x
  3. Step 3: Cross multiply
    9,344.82x = 12,895.78 × 5,153.07
  4. Step 4: Simplify right side
    9,344.82x = 66,452,857.04
  5. Step 5: Solve for x
    x = 66,452,857.04/9,344.82
  6. Step 6: Final answer
    x = 7,111.20

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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.