Home / 8,155.58-11,254.56-4,967.72

Finding the Fourth Proportional to 8,155.58, 11,254.56 and 4,967.72

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Solution

The fourth proportional to 8,155.58, 11,254.56 and 4,967.72 is: 6,855.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,155.58 : 11,254.56 = 4,967.72 : x
  2. Step 2: Convert to fraction form
    8,155.58/11,254.56 = 4,967.72/x
  3. Step 3: Cross multiply
    8,155.58x = 11,254.56 × 4,967.72
  4. Step 4: Simplify right side
    8,155.58x = 55,909,502.80
  5. Step 5: Solve for x
    x = 55,909,502.80/8,155.58
  6. Step 6: Final answer
    x = 6,855.37

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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.