Home / 10,151.19-14,007.49-5,674.79

Finding the Fourth Proportional to 10,151.19, 14,007.49 and 5,674.79

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Solution

The fourth proportional to 10,151.19, 14,007.49 and 5,674.79 is: 7,830.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,151.19 : 14,007.49 = 5,674.79 : x
  2. Step 2: Convert to fraction form
    10,151.19/14,007.49 = 5,674.79/x
  3. Step 3: Cross multiply
    10,151.19x = 14,007.49 × 5,674.79
  4. Step 4: Simplify right side
    10,151.19x = 79,489,585.01
  5. Step 5: Solve for x
    x = 79,489,585.01/10,151.19
  6. Step 6: Final answer
    x = 7,830.57

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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.