Home / 9,823.47-13,553.31-5,574.21

Finding the Fourth Proportional to 9,823.47, 13,553.31 and 5,574.21

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Solution

The fourth proportional to 9,823.47, 13,553.31 and 5,574.21 is: 7,690.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,823.47 : 13,553.31 = 5,574.21 : x
  2. Step 2: Convert to fraction form
    9,823.47/13,553.31 = 5,574.21/x
  3. Step 3: Cross multiply
    9,823.47x = 13,553.31 × 5,574.21
  4. Step 4: Simplify right side
    9,823.47x = 75,548,996.14
  5. Step 5: Solve for x
    x = 75,548,996.14/9,823.47
  6. Step 6: Final answer
    x = 7,690.66

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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.