Home / 10,956.52-16,436.40-5,762.80

Finding the Fourth Proportional to 10,956.52, 16,436.40 and 5,762.80

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Solution

The fourth proportional to 10,956.52, 16,436.40 and 5,762.80 is: 8,645.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,956.52 : 16,436.40 = 5,762.80 : x
  2. Step 2: Convert to fraction form
    10,956.52/16,436.40 = 5,762.80/x
  3. Step 3: Cross multiply
    10,956.52x = 16,436.40 × 5,762.80
  4. Step 4: Simplify right side
    10,956.52x = 94,719,685.92
  5. Step 5: Solve for x
    x = 94,719,685.92/10,956.52
  6. Step 6: Final answer
    x = 8,645.05

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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.