Home / 10,320.76-15,460.34-4,766.36

Finding the Fourth Proportional to 10,320.76, 15,460.34 and 4,766.36

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Solution

The fourth proportional to 10,320.76, 15,460.34 and 4,766.36 is: 7,139.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,320.76 : 15,460.34 = 4,766.36 : x
  2. Step 2: Convert to fraction form
    10,320.76/15,460.34 = 4,766.36/x
  3. Step 3: Cross multiply
    10,320.76x = 15,460.34 × 4,766.36
  4. Step 4: Simplify right side
    10,320.76x = 73,689,546.16
  5. Step 5: Solve for x
    x = 73,689,546.16/10,320.76
  6. Step 6: Final answer
    x = 7,139.93

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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.