Home / 6,931.67-10,387.68-5,364.38

Finding the Fourth Proportional to 6,931.67, 10,387.68 and 5,364.38

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Solution

The fourth proportional to 6,931.67, 10,387.68 and 5,364.38 is: 8,038.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,931.67 : 10,387.68 = 5,364.38 : x
  2. Step 2: Convert to fraction form
    6,931.67/10,387.68 = 5,364.38/x
  3. Step 3: Cross multiply
    6,931.67x = 10,387.68 × 5,364.38
  4. Step 4: Simplify right side
    6,931.67x = 55,723,462.84
  5. Step 5: Solve for x
    x = 55,723,462.84/6,931.67
  6. Step 6: Final answer
    x = 8,038.97

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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.