Home / 12,628.02-17,426.58-6,962.79

Finding the Fourth Proportional to 12,628.02, 17,426.58 and 6,962.79

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Solution

The fourth proportional to 12,628.02, 17,426.58 and 6,962.79 is: 9,608.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,628.02 : 17,426.58 = 6,962.79 : x
  2. Step 2: Convert to fraction form
    12,628.02/17,426.58 = 6,962.79/x
  3. Step 3: Cross multiply
    12,628.02x = 17,426.58 × 6,962.79
  4. Step 4: Simplify right side
    12,628.02x = 121,337,616.96
  5. Step 5: Solve for x
    x = 121,337,616.96/12,628.02
  6. Step 6: Final answer
    x = 9,608.60

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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.