Home / 10,366.35-15,551.91-2,970.87

Finding the Fourth Proportional to 10,366.35, 15,551.91 and 2,970.87

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Solution

The fourth proportional to 10,366.35, 15,551.91 and 2,970.87 is: 4,456.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366.35 : 15,551.91 = 2,970.87 : x
  2. Step 2: Convert to fraction form
    10,366.35/15,551.91 = 2,970.87/x
  3. Step 3: Cross multiply
    10,366.35x = 15,551.91 × 2,970.87
  4. Step 4: Simplify right side
    10,366.35x = 46,202,702.86
  5. Step 5: Solve for x
    x = 46,202,702.86/10,366.35
  6. Step 6: Final answer
    x = 4,456.99

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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.