Home / 10,272.94-14,176.65-5,557.23

Finding the Fourth Proportional to 10,272.94, 14,176.65 and 5,557.23

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Solution

The fourth proportional to 10,272.94, 14,176.65 and 5,557.23 is: 7,668.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,272.94 : 14,176.65 = 5,557.23 : x
  2. Step 2: Convert to fraction form
    10,272.94/14,176.65 = 5,557.23/x
  3. Step 3: Cross multiply
    10,272.94x = 14,176.65 × 5,557.23
  4. Step 4: Simplify right side
    10,272.94x = 78,782,904.68
  5. Step 5: Solve for x
    x = 78,782,904.68/10,272.94
  6. Step 6: Final answer
    x = 7,668.97

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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.