Home / 10,840.16-14,959.36-5,872.16

Finding the Fourth Proportional to 10,840.16, 14,959.36 and 5,872.16

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Solution

The fourth proportional to 10,840.16, 14,959.36 and 5,872.16 is: 8,103.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,840.16 : 14,959.36 = 5,872.16 : x
  2. Step 2: Convert to fraction form
    10,840.16/14,959.36 = 5,872.16/x
  3. Step 3: Cross multiply
    10,840.16x = 14,959.36 × 5,872.16
  4. Step 4: Simplify right side
    10,840.16x = 87,843,755.42
  5. Step 5: Solve for x
    x = 87,843,755.42/10,840.16
  6. Step 6: Final answer
    x = 8,103.55

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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.