Home / 10,192.79-14,060.35-6,414.55

Finding the Fourth Proportional to 10,192.79, 14,060.35 and 6,414.55

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Solution

The fourth proportional to 10,192.79, 14,060.35 and 6,414.55 is: 8,848.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,192.79 : 14,060.35 = 6,414.55 : x
  2. Step 2: Convert to fraction form
    10,192.79/14,060.35 = 6,414.55/x
  3. Step 3: Cross multiply
    10,192.79x = 14,060.35 × 6,414.55
  4. Step 4: Simplify right side
    10,192.79x = 90,190,818.09
  5. Step 5: Solve for x
    x = 90,190,818.09/10,192.79
  6. Step 6: Final answer
    x = 8,848.49

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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.