Home / 9,198.16-12,693.36-5,006.38

Finding the Fourth Proportional to 9,198.16, 12,693.36 and 5,006.38

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Solution

The fourth proportional to 9,198.16, 12,693.36 and 5,006.38 is: 6,908.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,198.16 : 12,693.36 = 5,006.38 : x
  2. Step 2: Convert to fraction form
    9,198.16/12,693.36 = 5,006.38/x
  3. Step 3: Cross multiply
    9,198.16x = 12,693.36 × 5,006.38
  4. Step 4: Simplify right side
    9,198.16x = 63,547,783.64
  5. Step 5: Solve for x
    x = 63,547,783.64/9,198.16
  6. Step 6: Final answer
    x = 6,908.75

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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.