Home / 10,572.45-15,852.24-7,281.92

Finding the Fourth Proportional to 10,572.45, 15,852.24 and 7,281.92

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Solution

The fourth proportional to 10,572.45, 15,852.24 and 7,281.92 is: 10,918.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,572.45 : 15,852.24 = 7,281.92 : x
  2. Step 2: Convert to fraction form
    10,572.45/15,852.24 = 7,281.92/x
  3. Step 3: Cross multiply
    10,572.45x = 15,852.24 × 7,281.92
  4. Step 4: Simplify right side
    10,572.45x = 115,434,664.24
  5. Step 5: Solve for x
    x = 115,434,664.24/10,572.45
  6. Step 6: Final answer
    x = 10,918.44

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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.