Home / 10,963.65-16,439.40-4,722.60

Finding the Fourth Proportional to 10,963.65, 16,439.40 and 4,722.60

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Solution

The fourth proportional to 10,963.65, 16,439.40 and 4,722.60 is: 7,081.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,963.65 : 16,439.40 = 4,722.60 : x
  2. Step 2: Convert to fraction form
    10,963.65/16,439.40 = 4,722.60/x
  3. Step 3: Cross multiply
    10,963.65x = 16,439.40 × 4,722.60
  4. Step 4: Simplify right side
    10,963.65x = 77,636,710.44
  5. Step 5: Solve for x
    x = 77,636,710.44/10,963.65
  6. Step 6: Final answer
    x = 7,081.28

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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.