Home / 9,428.02-13,011.17-5,651.80

Finding the Fourth Proportional to 9,428.02, 13,011.17 and 5,651.80

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Solution

The fourth proportional to 9,428.02, 13,011.17 and 5,651.80 is: 7,799.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,428.02 : 13,011.17 = 5,651.80 : x
  2. Step 2: Convert to fraction form
    9,428.02/13,011.17 = 5,651.80/x
  3. Step 3: Cross multiply
    9,428.02x = 13,011.17 × 5,651.80
  4. Step 4: Simplify right side
    9,428.02x = 73,536,544.74
  5. Step 5: Solve for x
    x = 73,536,544.74/9,428.02
  6. Step 6: Final answer
    x = 7,799.79

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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.