Home / 10,407.02-15,606.61-3,385.19

Finding the Fourth Proportional to 10,407.02, 15,606.61 and 3,385.19

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Solution

The fourth proportional to 10,407.02, 15,606.61 and 3,385.19 is: 5,076.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,407.02 : 15,606.61 = 3,385.19 : x
  2. Step 2: Convert to fraction form
    10,407.02/15,606.61 = 3,385.19/x
  3. Step 3: Cross multiply
    10,407.02x = 15,606.61 × 3,385.19
  4. Step 4: Simplify right side
    10,407.02x = 52,831,370.66
  5. Step 5: Solve for x
    x = 52,831,370.66/10,407.02
  6. Step 6: Final answer
    x = 5,076.52

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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.