Home / 8,475.30-11,687.67-5,598.81

Finding the Fourth Proportional to 8,475.30, 11,687.67 and 5,598.81

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Solution

The fourth proportional to 8,475.30, 11,687.67 and 5,598.81 is: 7,720.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,475.30 : 11,687.67 = 5,598.81 : x
  2. Step 2: Convert to fraction form
    8,475.30/11,687.67 = 5,598.81/x
  3. Step 3: Cross multiply
    8,475.30x = 11,687.67 × 5,598.81
  4. Step 4: Simplify right side
    8,475.30x = 65,437,043.67
  5. Step 5: Solve for x
    x = 65,437,043.67/8,475.30
  6. Step 6: Final answer
    x = 7,720.91

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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.