Home / 8,808.16-12,151.68-5,782.48

Finding the Fourth Proportional to 8,808.16, 12,151.68 and 5,782.48

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Solution

The fourth proportional to 8,808.16, 12,151.68 and 5,782.48 is: 7,977.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,808.16 : 12,151.68 = 5,782.48 : x
  2. Step 2: Convert to fraction form
    8,808.16/12,151.68 = 5,782.48/x
  3. Step 3: Cross multiply
    8,808.16x = 12,151.68 × 5,782.48
  4. Step 4: Simplify right side
    8,808.16x = 70,266,846.57
  5. Step 5: Solve for x
    x = 70,266,846.57/8,808.16
  6. Step 6: Final answer
    x = 7,977.47

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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.