Home / 6,931.77-10,372.10-4,160.13

Finding the Fourth Proportional to 6,931.77, 10,372.10 and 4,160.13

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Solution

The fourth proportional to 6,931.77, 10,372.10 and 4,160.13 is: 6,224.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,931.77 : 10,372.10 = 4,160.13 : x
  2. Step 2: Convert to fraction form
    6,931.77/10,372.10 = 4,160.13/x
  3. Step 3: Cross multiply
    6,931.77x = 10,372.10 × 4,160.13
  4. Step 4: Simplify right side
    6,931.77x = 43,149,263.57
  5. Step 5: Solve for x
    x = 43,149,263.57/6,931.77
  6. Step 6: Final answer
    x = 6,224.86

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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.