Home / 9,905.84-14,868.04-5,229.36

Finding the Fourth Proportional to 9,905.84, 14,868.04 and 5,229.36

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Solution

The fourth proportional to 9,905.84, 14,868.04 and 5,229.36 is: 7,848.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,905.84 : 14,868.04 = 5,229.36 : x
  2. Step 2: Convert to fraction form
    9,905.84/14,868.04 = 5,229.36/x
  3. Step 3: Cross multiply
    9,905.84x = 14,868.04 × 5,229.36
  4. Step 4: Simplify right side
    9,905.84x = 77,750,333.65
  5. Step 5: Solve for x
    x = 77,750,333.65/9,905.84
  6. Step 6: Final answer
    x = 7,848.94

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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.