Home / 10,668.20-14,722.10-5,953.38

Finding the Fourth Proportional to 10,668.20, 14,722.10 and 5,953.38

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Solution

The fourth proportional to 10,668.20, 14,722.10 and 5,953.38 is: 8,215.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,668.20 : 14,722.10 = 5,953.38 : x
  2. Step 2: Convert to fraction form
    10,668.20/14,722.10 = 5,953.38/x
  3. Step 3: Cross multiply
    10,668.20x = 14,722.10 × 5,953.38
  4. Step 4: Simplify right side
    10,668.20x = 87,646,225.93
  5. Step 5: Solve for x
    x = 87,646,225.93/10,668.20
  6. Step 6: Final answer
    x = 8,215.66

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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.