Home / 10,261.84-14,161.08-5,785.52

Finding the Fourth Proportional to 10,261.84, 14,161.08 and 5,785.52

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Solution

The fourth proportional to 10,261.84, 14,161.08 and 5,785.52 is: 7,983.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,261.84 : 14,161.08 = 5,785.52 : x
  2. Step 2: Convert to fraction form
    10,261.84/14,161.08 = 5,785.52/x
  3. Step 3: Cross multiply
    10,261.84x = 14,161.08 × 5,785.52
  4. Step 4: Simplify right side
    10,261.84x = 81,929,211.56
  5. Step 5: Solve for x
    x = 81,929,211.56/10,261.84
  6. Step 6: Final answer
    x = 7,983.87

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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.