Home / 6,951.12-10,372.62-6,784.32

Finding the Fourth Proportional to 6,951.12, 10,372.62 and 6,784.32

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Solution

The fourth proportional to 6,951.12, 10,372.62 and 6,784.32 is: 10,123.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,951.12 : 10,372.62 = 6,784.32 : x
  2. Step 2: Convert to fraction form
    6,951.12/10,372.62 = 6,784.32/x
  3. Step 3: Cross multiply
    6,951.12x = 10,372.62 × 6,784.32
  4. Step 4: Simplify right side
    6,951.12x = 70,371,173.32
  5. Step 5: Solve for x
    x = 70,371,173.32/6,951.12
  6. Step 6: Final answer
    x = 10,123.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.