Home / 7,232.02-9,980.26-4,247.90

Finding the Fourth Proportional to 7,232.02, 9,980.26 and 4,247.90

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Solution

The fourth proportional to 7,232.02, 9,980.26 and 4,247.90 is: 5,862.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,232.02 : 9,980.26 = 4,247.90 : x
  2. Step 2: Convert to fraction form
    7,232.02/9,980.26 = 4,247.90/x
  3. Step 3: Cross multiply
    7,232.02x = 9,980.26 × 4,247.90
  4. Step 4: Simplify right side
    7,232.02x = 42,395,146.45
  5. Step 5: Solve for x
    x = 42,395,146.45/7,232.02
  6. Step 6: Final answer
    x = 5,862.14

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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.