Home / 10,795.60-16,167.80-6,648.40

Finding the Fourth Proportional to 10,795.60, 16,167.80 and 6,648.40

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Solution

The fourth proportional to 10,795.60, 16,167.80 and 6,648.40 is: 9,956.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,795.60 : 16,167.80 = 6,648.40 : x
  2. Step 2: Convert to fraction form
    10,795.60/16,167.80 = 6,648.40/x
  3. Step 3: Cross multiply
    10,795.60x = 16,167.80 × 6,648.40
  4. Step 4: Simplify right side
    10,795.60x = 107,490,001.52
  5. Step 5: Solve for x
    x = 107,490,001.52/10,795.60
  6. Step 6: Final answer
    x = 9,956.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.