Home / 12,229.49-16,876.76-6,925.34

Finding the Fourth Proportional to 12,229.49, 16,876.76 and 6,925.34

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Solution

The fourth proportional to 12,229.49, 16,876.76 and 6,925.34 is: 9,557.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,229.49 : 16,876.76 = 6,925.34 : x
  2. Step 2: Convert to fraction form
    12,229.49/16,876.76 = 6,925.34/x
  3. Step 3: Cross multiply
    12,229.49x = 16,876.76 × 6,925.34
  4. Step 4: Simplify right side
    12,229.49x = 116,877,182.09
  5. Step 5: Solve for x
    x = 116,877,182.09/12,229.49
  6. Step 6: Final answer
    x = 9,557.00

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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.