Home / 8,276.83-11,422.01-4,740.05

Finding the Fourth Proportional to 8,276.83, 11,422.01 and 4,740.05

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Solution

The fourth proportional to 8,276.83, 11,422.01 and 4,740.05 is: 6,541.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,276.83 : 11,422.01 = 4,740.05 : x
  2. Step 2: Convert to fraction form
    8,276.83/11,422.01 = 4,740.05/x
  3. Step 3: Cross multiply
    8,276.83x = 11,422.01 × 4,740.05
  4. Step 4: Simplify right side
    8,276.83x = 54,140,938.91
  5. Step 5: Solve for x
    x = 54,140,938.91/8,276.83
  6. Step 6: Final answer
    x = 6,541.27

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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.