Home / 10,947.65-16,415.40-4,706.60

Finding the Fourth Proportional to 10,947.65, 16,415.40 and 4,706.60

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Solution

The fourth proportional to 10,947.65, 16,415.40 and 4,706.60 is: 7,057.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,947.65 : 16,415.40 = 4,706.60 : x
  2. Step 2: Convert to fraction form
    10,947.65/16,415.40 = 4,706.60/x
  3. Step 3: Cross multiply
    10,947.65x = 16,415.40 × 4,706.60
  4. Step 4: Simplify right side
    10,947.65x = 77,260,721.64
  5. Step 5: Solve for x
    x = 77,260,721.64/10,947.65
  6. Step 6: Final answer
    x = 7,057.29

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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.