Home / 9,439.08-13,025.43-5,190.06

Finding the Fourth Proportional to 9,439.08, 13,025.43 and 5,190.06

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Solution

The fourth proportional to 9,439.08, 13,025.43 and 5,190.06 is: 7,162.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,439.08 : 13,025.43 = 5,190.06 : x
  2. Step 2: Convert to fraction form
    9,439.08/13,025.43 = 5,190.06/x
  3. Step 3: Cross multiply
    9,439.08x = 13,025.43 × 5,190.06
  4. Step 4: Simplify right side
    9,439.08x = 67,602,763.23
  5. Step 5: Solve for x
    x = 67,602,763.23/9,439.08
  6. Step 6: Final answer
    x = 7,162.01

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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.