Home / 12,435.02-17,160.10-6,769.90

Finding the Fourth Proportional to 12,435.02, 17,160.10 and 6,769.90

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Solution

The fourth proportional to 12,435.02, 17,160.10 and 6,769.90 is: 9,342.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,435.02 : 17,160.10 = 6,769.90 : x
  2. Step 2: Convert to fraction form
    12,435.02/17,160.10 = 6,769.90/x
  3. Step 3: Cross multiply
    12,435.02x = 17,160.10 × 6,769.90
  4. Step 4: Simplify right side
    12,435.02x = 116,172,101.17
  5. Step 5: Solve for x
    x = 116,172,101.17/12,435.02
  6. Step 6: Final answer
    x = 9,342.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.