Home / 8,154.95-11,259.36-6,176.30

Finding the Fourth Proportional to 8,154.95, 11,259.36 and 6,176.30

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Solution

The fourth proportional to 8,154.95, 11,259.36 and 6,176.30 is: 8,527.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,154.95 : 11,259.36 = 6,176.30 : x
  2. Step 2: Convert to fraction form
    8,154.95/11,259.36 = 6,176.30/x
  3. Step 3: Cross multiply
    8,154.95x = 11,259.36 × 6,176.30
  4. Step 4: Simplify right side
    8,154.95x = 69,541,128.87
  5. Step 5: Solve for x
    x = 69,541,128.87/8,154.95
  6. Step 6: Final answer
    x = 8,527.48

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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.