Home / 10,500.02-15,750.33-2,708.83

Finding the Fourth Proportional to 10,500.02, 15,750.33 and 2,708.83

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Solution

The fourth proportional to 10,500.02, 15,750.33 and 2,708.83 is: 4,063.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,500.02 : 15,750.33 = 2,708.83 : x
  2. Step 2: Convert to fraction form
    10,500.02/15,750.33 = 2,708.83/x
  3. Step 3: Cross multiply
    10,500.02x = 15,750.33 × 2,708.83
  4. Step 4: Simplify right side
    10,500.02x = 42,664,966.41
  5. Step 5: Solve for x
    x = 42,664,966.41/10,500.02
  6. Step 6: Final answer
    x = 4,063.32

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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.