Home / 9,963.47-14,940.35-5,688.70

Finding the Fourth Proportional to 9,963.47, 14,940.35 and 5,688.70

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Solution

The fourth proportional to 9,963.47, 14,940.35 and 5,688.70 is: 8,530.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,963.47 : 14,940.35 = 5,688.70 : x
  2. Step 2: Convert to fraction form
    9,963.47/14,940.35 = 5,688.70/x
  3. Step 3: Cross multiply
    9,963.47x = 14,940.35 × 5,688.70
  4. Step 4: Simplify right side
    9,963.47x = 84,991,124.58
  5. Step 5: Solve for x
    x = 84,991,124.58/9,963.47
  6. Step 6: Final answer
    x = 8,530.27

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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.