Home / 10,562.60-15,842.70-2,772.02

Finding the Fourth Proportional to 10,562.60, 15,842.70 and 2,772.02

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Solution

The fourth proportional to 10,562.60, 15,842.70 and 2,772.02 is: 4,157.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,562.60 : 15,842.70 = 2,772.02 : x
  2. Step 2: Convert to fraction form
    10,562.60/15,842.70 = 2,772.02/x
  3. Step 3: Cross multiply
    10,562.60x = 15,842.70 × 2,772.02
  4. Step 4: Simplify right side
    10,562.60x = 43,916,281.25
  5. Step 5: Solve for x
    x = 43,916,281.25/10,562.60
  6. Step 6: Final answer
    x = 4,157.72

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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.