Home / 12,434.02-17,158.86-6,768.60

Finding the Fourth Proportional to 12,434.02, 17,158.86 and 6,768.60

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Solution

The fourth proportional to 12,434.02, 17,158.86 and 6,768.60 is: 9,340.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,434.02 : 17,158.86 = 6,768.60 : x
  2. Step 2: Convert to fraction form
    12,434.02/17,158.86 = 6,768.60/x
  3. Step 3: Cross multiply
    12,434.02x = 17,158.86 × 6,768.60
  4. Step 4: Simplify right side
    12,434.02x = 116,141,459.80
  5. Step 5: Solve for x
    x = 116,141,459.80/12,434.02
  6. Step 6: Final answer
    x = 9,340.62

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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.