Home / 9,967.02-13,754.48-5,490.75

Finding the Fourth Proportional to 9,967.02, 13,754.48 and 5,490.75

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Solution

The fourth proportional to 9,967.02, 13,754.48 and 5,490.75 is: 7,577.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,967.02 : 13,754.48 = 5,490.75 : x
  2. Step 2: Convert to fraction form
    9,967.02/13,754.48 = 5,490.75/x
  3. Step 3: Cross multiply
    9,967.02x = 13,754.48 × 5,490.75
  4. Step 4: Simplify right side
    9,967.02x = 75,522,435.19
  5. Step 5: Solve for x
    x = 75,522,435.19/9,967.02
  6. Step 6: Final answer
    x = 7,577.24

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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.