Home / 11,795.11-16,276.65-6,490.42

Finding the Fourth Proportional to 11,795.11, 16,276.65 and 6,490.42

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Solution

The fourth proportional to 11,795.11, 16,276.65 and 6,490.42 is: 8,956.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,795.11 : 16,276.65 = 6,490.42 : x
  2. Step 2: Convert to fraction form
    11,795.11/16,276.65 = 6,490.42/x
  3. Step 3: Cross multiply
    11,795.11x = 16,276.65 × 6,490.42
  4. Step 4: Simplify right side
    11,795.11x = 105,642,294.69
  5. Step 5: Solve for x
    x = 105,642,294.69/11,795.11
  6. Step 6: Final answer
    x = 8,956.45

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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.