Home / 10,702.20-16,053.30-2,804.70

Finding the Fourth Proportional to 10,702.20, 16,053.30 and 2,804.70

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Solution

The fourth proportional to 10,702.20, 16,053.30 and 2,804.70 is: 4,207.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,702.20 : 16,053.30 = 2,804.70 : x
  2. Step 2: Convert to fraction form
    10,702.20/16,053.30 = 2,804.70/x
  3. Step 3: Cross multiply
    10,702.20x = 16,053.30 × 2,804.70
  4. Step 4: Simplify right side
    10,702.20x = 45,024,690.51
  5. Step 5: Solve for x
    x = 45,024,690.51/10,702.20
  6. Step 6: Final answer
    x = 4,207.05

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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.