Home / 9,518.92-13,135.38-5,326.60

Finding the Fourth Proportional to 9,518.92, 13,135.38 and 5,326.60

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Solution

The fourth proportional to 9,518.92, 13,135.38 and 5,326.60 is: 7,350.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,518.92 : 13,135.38 = 5,326.60 : x
  2. Step 2: Convert to fraction form
    9,518.92/13,135.38 = 5,326.60/x
  3. Step 3: Cross multiply
    9,518.92x = 13,135.38 × 5,326.60
  4. Step 4: Simplify right side
    9,518.92x = 69,966,915.11
  5. Step 5: Solve for x
    x = 69,966,915.11/9,518.92
  6. Step 6: Final answer
    x = 7,350.30

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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.