Home / 8,996.26-13,490.47-4,778.59

Finding the Fourth Proportional to 8,996.26, 13,490.47 and 4,778.59

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Solution

The fourth proportional to 8,996.26, 13,490.47 and 4,778.59 is: 7,165.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,996.26 : 13,490.47 = 4,778.59 : x
  2. Step 2: Convert to fraction form
    8,996.26/13,490.47 = 4,778.59/x
  3. Step 3: Cross multiply
    8,996.26x = 13,490.47 × 4,778.59
  4. Step 4: Simplify right side
    8,996.26x = 64,465,440.32
  5. Step 5: Solve for x
    x = 64,465,440.32/8,996.26
  6. Step 6: Final answer
    x = 7,165.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.