Home / 9,490.80-13,097.24-5,242.14

Finding the Fourth Proportional to 9,490.80, 13,097.24 and 5,242.14

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Solution

The fourth proportional to 9,490.80, 13,097.24 and 5,242.14 is: 7,234.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,490.80 : 13,097.24 = 5,242.14 : x
  2. Step 2: Convert to fraction form
    9,490.80/13,097.24 = 5,242.14/x
  3. Step 3: Cross multiply
    9,490.80x = 13,097.24 × 5,242.14
  4. Step 4: Simplify right side
    9,490.80x = 68,657,474.00
  5. Step 5: Solve for x
    x = 68,657,474.00/9,490.80
  6. Step 6: Final answer
    x = 7,234.11

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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.