Home / 10,702.17-16,054.80-3,307.20

Finding the Fourth Proportional to 10,702.17, 16,054.80 and 3,307.20

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Solution

The fourth proportional to 10,702.17, 16,054.80 and 3,307.20 is: 4,961.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,702.17 : 16,054.80 = 3,307.20 : x
  2. Step 2: Convert to fraction form
    10,702.17/16,054.80 = 3,307.20/x
  3. Step 3: Cross multiply
    10,702.17x = 16,054.80 × 3,307.20
  4. Step 4: Simplify right side
    10,702.17x = 53,096,434.56
  5. Step 5: Solve for x
    x = 53,096,434.56/10,702.17
  6. Step 6: Final answer
    x = 4,961.28

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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.