Home / 8,169.95-11,271.96-4,632.48

Finding the Fourth Proportional to 8,169.95, 11,271.96 and 4,632.48

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Solution

The fourth proportional to 8,169.95, 11,271.96 and 4,632.48 is: 6,391.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,169.95 : 11,271.96 = 4,632.48 : x
  2. Step 2: Convert to fraction form
    8,169.95/11,271.96 = 4,632.48/x
  3. Step 3: Cross multiply
    8,169.95x = 11,271.96 × 4,632.48
  4. Step 4: Simplify right side
    8,169.95x = 52,217,129.26
  5. Step 5: Solve for x
    x = 52,217,129.26/8,169.95
  6. Step 6: Final answer
    x = 6,391.37

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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.