Home / 9,394.08-12,963.81-5,415.17

Finding the Fourth Proportional to 9,394.08, 12,963.81 and 5,415.17

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Solution

The fourth proportional to 9,394.08, 12,963.81 and 5,415.17 is: 7,472.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,394.08 : 12,963.81 = 5,415.17 : x
  2. Step 2: Convert to fraction form
    9,394.08/12,963.81 = 5,415.17/x
  3. Step 3: Cross multiply
    9,394.08x = 12,963.81 × 5,415.17
  4. Step 4: Simplify right side
    9,394.08x = 70,201,207.92
  5. Step 5: Solve for x
    x = 70,201,207.92/9,394.08
  6. Step 6: Final answer
    x = 7,472.92

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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.