Home / 9,392.84-12,962.01-5,143.85

Finding the Fourth Proportional to 9,392.84, 12,962.01 and 5,143.85

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Solution

The fourth proportional to 9,392.84, 12,962.01 and 5,143.85 is: 7,098.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,392.84 : 12,962.01 = 5,143.85 : x
  2. Step 2: Convert to fraction form
    9,392.84/12,962.01 = 5,143.85/x
  3. Step 3: Cross multiply
    9,392.84x = 12,962.01 × 5,143.85
  4. Step 4: Simplify right side
    9,392.84x = 66,674,635.14
  5. Step 5: Solve for x
    x = 66,674,635.14/9,392.84
  6. Step 6: Final answer
    x = 7,098.45

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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.