Home / 9,364.88-12,923.36-5,173.04

Finding the Fourth Proportional to 9,364.88, 12,923.36 and 5,173.04

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Solution

The fourth proportional to 9,364.88, 12,923.36 and 5,173.04 is: 7,138.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,364.88 : 12,923.36 = 5,173.04 : x
  2. Step 2: Convert to fraction form
    9,364.88/12,923.36 = 5,173.04/x
  3. Step 3: Cross multiply
    9,364.88x = 12,923.36 × 5,173.04
  4. Step 4: Simplify right side
    9,364.88x = 66,853,058.21
  5. Step 5: Solve for x
    x = 66,853,058.21/9,364.88
  6. Step 6: Final answer
    x = 7,138.70

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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.