Home / 8,451.60-11,663.04-5,263.29

Finding the Fourth Proportional to 8,451.60, 11,663.04 and 5,263.29

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Solution

The fourth proportional to 8,451.60, 11,663.04 and 5,263.29 is: 7,263.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,451.60 : 11,663.04 = 5,263.29 : x
  2. Step 2: Convert to fraction form
    8,451.60/11,663.04 = 5,263.29/x
  3. Step 3: Cross multiply
    8,451.60x = 11,663.04 × 5,263.29
  4. Step 4: Simplify right side
    8,451.60x = 61,385,961.80
  5. Step 5: Solve for x
    x = 61,385,961.80/8,451.60
  6. Step 6: Final answer
    x = 7,263.24

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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.