Home / 8,950.20-12,351.93-5,547.87

Finding the Fourth Proportional to 8,950.20, 12,351.93 and 5,547.87

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Solution

The fourth proportional to 8,950.20, 12,351.93 and 5,547.87 is: 7,656.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,950.20 : 12,351.93 = 5,547.87 : x
  2. Step 2: Convert to fraction form
    8,950.20/12,351.93 = 5,547.87/x
  3. Step 3: Cross multiply
    8,950.20x = 12,351.93 × 5,547.87
  4. Step 4: Simplify right side
    8,950.20x = 68,526,901.89
  5. Step 5: Solve for x
    x = 68,526,901.89/8,950.20
  6. Step 6: Final answer
    x = 7,656.47

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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.