Home / 10,957.64-15,121.08-6,241.76

Finding the Fourth Proportional to 10,957.64, 15,121.08 and 6,241.76

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Solution

The fourth proportional to 10,957.64, 15,121.08 and 6,241.76 is: 8,613.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,957.64 : 15,121.08 = 6,241.76 : x
  2. Step 2: Convert to fraction form
    10,957.64/15,121.08 = 6,241.76/x
  3. Step 3: Cross multiply
    10,957.64x = 15,121.08 × 6,241.76
  4. Step 4: Simplify right side
    10,957.64x = 94,382,152.30
  5. Step 5: Solve for x
    x = 94,382,152.30/10,957.64
  6. Step 6: Final answer
    x = 8,613.36

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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.