Home / 8,811.24-12,159.80-5,033.60

Finding the Fourth Proportional to 8,811.24, 12,159.80 and 5,033.60

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Solution

The fourth proportional to 8,811.24, 12,159.80 and 5,033.60 is: 6,946.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,811.24 : 12,159.80 = 5,033.60 : x
  2. Step 2: Convert to fraction form
    8,811.24/12,159.80 = 5,033.60/x
  3. Step 3: Cross multiply
    8,811.24x = 12,159.80 × 5,033.60
  4. Step 4: Simplify right side
    8,811.24x = 61,207,483.31
  5. Step 5: Solve for x
    x = 61,207,483.31/8,811.24
  6. Step 6: Final answer
    x = 6,946.52

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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.