Home / 8,156.52-11,255.77-4,798.57

Finding the Fourth Proportional to 8,156.52, 11,255.77 and 4,798.57

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Solution

The fourth proportional to 8,156.52, 11,255.77 and 4,798.57 is: 6,621.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,156.52 : 11,255.77 = 4,798.57 : x
  2. Step 2: Convert to fraction form
    8,156.52/11,255.77 = 4,798.57/x
  3. Step 3: Cross multiply
    8,156.52x = 11,255.77 × 4,798.57
  4. Step 4: Simplify right side
    8,156.52x = 54,011,578.11
  5. Step 5: Solve for x
    x = 54,011,578.11/8,156.52
  6. Step 6: Final answer
    x = 6,621.89

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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.