Home / 10,199.36-14,062.20-6,656.96

Finding the Fourth Proportional to 10,199.36, 14,062.20 and 6,656.96

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Solution

The fourth proportional to 10,199.36, 14,062.20 and 6,656.96 is: 9,178.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,199.36 : 14,062.20 = 6,656.96 : x
  2. Step 2: Convert to fraction form
    10,199.36/14,062.20 = 6,656.96/x
  3. Step 3: Cross multiply
    10,199.36x = 14,062.20 × 6,656.96
  4. Step 4: Simplify right side
    10,199.36x = 93,611,502.91
  5. Step 5: Solve for x
    x = 93,611,502.91/10,199.36
  6. Step 6: Final answer
    x = 9,178.17

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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.