Home / 9,021.84-12,449.64-4,988.44

Finding the Fourth Proportional to 9,021.84, 12,449.64 and 4,988.44

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Solution

The fourth proportional to 9,021.84, 12,449.64 and 4,988.44 is: 6,883.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.84 : 12,449.64 = 4,988.44 : x
  2. Step 2: Convert to fraction form
    9,021.84/12,449.64 = 4,988.44/x
  3. Step 3: Cross multiply
    9,021.84x = 12,449.64 × 4,988.44
  4. Step 4: Simplify right side
    9,021.84x = 62,104,251.04
  5. Step 5: Solve for x
    x = 62,104,251.04/9,021.84
  6. Step 6: Final answer
    x = 6,883.77

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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.