Home / 9,508.10-13,121.26-5,316.34

Finding the Fourth Proportional to 9,508.10, 13,121.26 and 5,316.34

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Solution

The fourth proportional to 9,508.10, 13,121.26 and 5,316.34 is: 7,336.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,508.10 : 13,121.26 = 5,316.34 : x
  2. Step 2: Convert to fraction form
    9,508.10/13,121.26 = 5,316.34/x
  3. Step 3: Cross multiply
    9,508.10x = 13,121.26 × 5,316.34
  4. Step 4: Simplify right side
    9,508.10x = 69,757,079.39
  5. Step 5: Solve for x
    x = 69,757,079.39/9,508.10
  6. Step 6: Final answer
    x = 7,336.60

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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.