Home / 9,364.23-12,922.43-5,115.17

Finding the Fourth Proportional to 9,364.23, 12,922.43 and 5,115.17

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Solution

The fourth proportional to 9,364.23, 12,922.43 and 5,115.17 is: 7,058.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,364.23 : 12,922.43 = 5,115.17 : x
  2. Step 2: Convert to fraction form
    9,364.23/12,922.43 = 5,115.17/x
  3. Step 3: Cross multiply
    9,364.23x = 12,922.43 × 5,115.17
  4. Step 4: Simplify right side
    9,364.23x = 66,100,426.26
  5. Step 5: Solve for x
    x = 66,100,426.26/9,364.23
  6. Step 6: Final answer
    x = 7,058.82

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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.