Home / 9,395.16-12,967.65-5,418.66

Finding the Fourth Proportional to 9,395.16, 12,967.65 and 5,418.66

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Solution

The fourth proportional to 9,395.16, 12,967.65 and 5,418.66 is: 7,479.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,395.16 : 12,967.65 = 5,418.66 : x
  2. Step 2: Convert to fraction form
    9,395.16/12,967.65 = 5,418.66/x
  3. Step 3: Cross multiply
    9,395.16x = 12,967.65 × 5,418.66
  4. Step 4: Simplify right side
    9,395.16x = 70,267,286.35
  5. Step 5: Solve for x
    x = 70,267,286.35/9,395.16
  6. Step 6: Final answer
    x = 7,479.09

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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.