Home / 6,827.76-9,402.48-5,931.09

Finding the Fourth Proportional to 6,827.76, 9,402.48 and 5,931.09

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Solution

The fourth proportional to 6,827.76, 9,402.48 and 5,931.09 is: 8,167.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,827.76 : 9,402.48 = 5,931.09 : x
  2. Step 2: Convert to fraction form
    6,827.76/9,402.48 = 5,931.09/x
  3. Step 3: Cross multiply
    6,827.76x = 9,402.48 × 5,931.09
  4. Step 4: Simplify right side
    6,827.76x = 55,766,955.10
  5. Step 5: Solve for x
    x = 55,766,955.10/6,827.76
  6. Step 6: Final answer
    x = 8,167.68

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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.