Home / 9,506.55-13,119.13-5,257.40

Finding the Fourth Proportional to 9,506.55, 13,119.13 and 5,257.40

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Solution

The fourth proportional to 9,506.55, 13,119.13 and 5,257.40 is: 7,255.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,506.55 : 13,119.13 = 5,257.40 : x
  2. Step 2: Convert to fraction form
    9,506.55/13,119.13 = 5,257.40/x
  3. Step 3: Cross multiply
    9,506.55x = 13,119.13 × 5,257.40
  4. Step 4: Simplify right side
    9,506.55x = 68,972,455.04
  5. Step 5: Solve for x
    x = 68,972,455.04/9,506.55
  6. Step 6: Final answer
    x = 7,255.25

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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.