Home / 9,439.02-13,025.57-5,190.08

Finding the Fourth Proportional to 9,439.02, 13,025.57 and 5,190.08

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Solution

The fourth proportional to 9,439.02, 13,025.57 and 5,190.08 is: 7,162.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,439.02 : 13,025.57 = 5,190.08 : x
  2. Step 2: Convert to fraction form
    9,439.02/13,025.57 = 5,190.08/x
  3. Step 3: Cross multiply
    9,439.02x = 13,025.57 × 5,190.08
  4. Step 4: Simplify right side
    9,439.02x = 67,603,659.27
  5. Step 5: Solve for x
    x = 67,603,659.27/9,439.02
  6. Step 6: Final answer
    x = 7,162.15

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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.