Home / 6,276.18-9,415.14-2,117.38

Finding the Fourth Proportional to 6,276.18, 9,415.14 and 2,117.38

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Solution

The fourth proportional to 6,276.18, 9,415.14 and 2,117.38 is: 3,176.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,276.18 : 9,415.14 = 2,117.38 : x
  2. Step 2: Convert to fraction form
    6,276.18/9,415.14 = 2,117.38/x
  3. Step 3: Cross multiply
    6,276.18x = 9,415.14 × 2,117.38
  4. Step 4: Simplify right side
    6,276.18x = 19,935,429.13
  5. Step 5: Solve for x
    x = 19,935,429.13/6,276.18
  6. Step 6: Final answer
    x = 3,176.36

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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.