Home / 8,329.08-11,500.77-5,147.01

Finding the Fourth Proportional to 8,329.08, 11,500.77 and 5,147.01

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Solution

The fourth proportional to 8,329.08, 11,500.77 and 5,147.01 is: 7,106.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,329.08 : 11,500.77 = 5,147.01 : x
  2. Step 2: Convert to fraction form
    8,329.08/11,500.77 = 5,147.01/x
  3. Step 3: Cross multiply
    8,329.08x = 11,500.77 × 5,147.01
  4. Step 4: Simplify right side
    8,329.08x = 59,194,578.20
  5. Step 5: Solve for x
    x = 59,194,578.20/8,329.08
  6. Step 6: Final answer
    x = 7,106.98

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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.