Home / 6,456.14-9,677.68-4,376.36

Finding the Fourth Proportional to 6,456.14, 9,677.68 and 4,376.36

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Solution

The fourth proportional to 6,456.14, 9,677.68 and 4,376.36 is: 6,560.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,456.14 : 9,677.68 = 4,376.36 : x
  2. Step 2: Convert to fraction form
    6,456.14/9,677.68 = 4,376.36/x
  3. Step 3: Cross multiply
    6,456.14x = 9,677.68 × 4,376.36
  4. Step 4: Simplify right side
    6,456.14x = 42,353,011.64
  5. Step 5: Solve for x
    x = 42,353,011.64/6,456.14
  6. Step 6: Final answer
    x = 6,560.11

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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.