Home / 9,508.34-13,121.60-5,316.59

Finding the Fourth Proportional to 9,508.34, 13,121.60 and 5,316.59

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Solution

The fourth proportional to 9,508.34, 13,121.60 and 5,316.59 is: 7,336.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,508.34 : 13,121.60 = 5,316.59 : x
  2. Step 2: Convert to fraction form
    9,508.34/13,121.60 = 5,316.59/x
  3. Step 3: Cross multiply
    9,508.34x = 13,121.60 × 5,316.59
  4. Step 4: Simplify right side
    9,508.34x = 69,762,173.57
  5. Step 5: Solve for x
    x = 69,762,173.57/9,508.34
  6. Step 6: Final answer
    x = 7,336.94

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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.