Home / 8,749.02-13,123.53-3,555.30

Finding the Fourth Proportional to 8,749.02, 13,123.53 and 3,555.30

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Solution

The fourth proportional to 8,749.02, 13,123.53 and 3,555.30 is: 5,332.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749.02 : 13,123.53 = 3,555.30 : x
  2. Step 2: Convert to fraction form
    8,749.02/13,123.53 = 3,555.30/x
  3. Step 3: Cross multiply
    8,749.02x = 13,123.53 × 3,555.30
  4. Step 4: Simplify right side
    8,749.02x = 46,658,086.21
  5. Step 5: Solve for x
    x = 46,658,086.21/8,749.02
  6. Step 6: Final answer
    x = 5,332.95

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Similar ratio
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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.