Home / 9,065.18-12,509.96-5,086.32

Finding the Fourth Proportional to 9,065.18, 12,509.96 and 5,086.32

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Solution

The fourth proportional to 9,065.18, 12,509.96 and 5,086.32 is: 7,019.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,065.18 : 12,509.96 = 5,086.32 : x
  2. Step 2: Convert to fraction form
    9,065.18/12,509.96 = 5,086.32/x
  3. Step 3: Cross multiply
    9,065.18x = 12,509.96 × 5,086.32
  4. Step 4: Simplify right side
    9,065.18x = 63,629,634.32
  5. Step 5: Solve for x
    x = 63,629,634.32/9,065.18
  6. Step 6: Final answer
    x = 7,019.13

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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.