Home / 9,150.71-13,731.73-3,603.08

Finding the Fourth Proportional to 9,150.71, 13,731.73 and 3,603.08

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Solution

The fourth proportional to 9,150.71, 13,731.73 and 3,603.08 is: 5,406.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,150.71 : 13,731.73 = 3,603.08 : x
  2. Step 2: Convert to fraction form
    9,150.71/13,731.73 = 3,603.08/x
  3. Step 3: Cross multiply
    9,150.71x = 13,731.73 × 3,603.08
  4. Step 4: Simplify right side
    9,150.71x = 49,476,547.05
  5. Step 5: Solve for x
    x = 49,476,547.05/9,150.71
  6. Step 6: Final answer
    x = 5,406.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.