Home / 10,718.72-16,055.68-6,803.76

Finding the Fourth Proportional to 10,718.72, 16,055.68 and 6,803.76

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Solution

The fourth proportional to 10,718.72, 16,055.68 and 6,803.76 is: 10,191.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,718.72 : 16,055.68 = 6,803.76 : x
  2. Step 2: Convert to fraction form
    10,718.72/16,055.68 = 6,803.76/x
  3. Step 3: Cross multiply
    10,718.72x = 16,055.68 × 6,803.76
  4. Step 4: Simplify right side
    10,718.72x = 109,238,993.36
  5. Step 5: Solve for x
    x = 109,238,993.36/10,718.72
  6. Step 6: Final answer
    x = 10,191.42

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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.