Home / 9,508.92-13,121.98-5,317.16

Finding the Fourth Proportional to 9,508.92, 13,121.98 and 5,317.16

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Solution

The fourth proportional to 9,508.92, 13,121.98 and 5,317.16 is: 7,337.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,508.92 : 13,121.98 = 5,317.16 : x
  2. Step 2: Convert to fraction form
    9,508.92/13,121.98 = 5,317.16/x
  3. Step 3: Cross multiply
    9,508.92x = 13,121.98 × 5,317.16
  4. Step 4: Simplify right side
    9,508.92x = 69,771,667.18
  5. Step 5: Solve for x
    x = 69,771,667.18/9,508.92
  6. Step 6: Final answer
    x = 7,337.50

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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.