Home / 10,304.40-15,418.32-6,146.72

Finding the Fourth Proportional to 10,304.40, 15,418.32 and 6,146.72

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Solution

The fourth proportional to 10,304.40, 15,418.32 and 6,146.72 is: 9,197.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,304.40 : 15,418.32 = 6,146.72 : x
  2. Step 2: Convert to fraction form
    10,304.40/15,418.32 = 6,146.72/x
  3. Step 3: Cross multiply
    10,304.40x = 15,418.32 × 6,146.72
  4. Step 4: Simplify right side
    10,304.40x = 94,772,095.91
  5. Step 5: Solve for x
    x = 94,772,095.91/10,304.40
  6. Step 6: Final answer
    x = 9,197.25

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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.