Home / 12,079.47-16,669.80-6,702.00

Finding the Fourth Proportional to 12,079.47, 16,669.80 and 6,702.00

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Solution

The fourth proportional to 12,079.47, 16,669.80 and 6,702.00 is: 9,248.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,079.47 : 16,669.80 = 6,702.00 : x
  2. Step 2: Convert to fraction form
    12,079.47/16,669.80 = 6,702.00/x
  3. Step 3: Cross multiply
    12,079.47x = 16,669.80 × 6,702.00
  4. Step 4: Simplify right side
    12,079.47x = 111,721,087.24
  5. Step 5: Solve for x
    x = 111,721,087.24/12,079.47
  6. Step 6: Final answer
    x = 9,248.84

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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.