Home / 9,176.01-12,668.79-6,309.51

Finding the Fourth Proportional to 9,176.01, 12,668.79 and 6,309.51

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Solution

The fourth proportional to 9,176.01, 12,668.79 and 6,309.51 is: 8,711.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,176.01 : 12,668.79 = 6,309.51 : x
  2. Step 2: Convert to fraction form
    9,176.01/12,668.79 = 6,309.51/x
  3. Step 3: Cross multiply
    9,176.01x = 12,668.79 × 6,309.51
  4. Step 4: Simplify right side
    9,176.01x = 79,933,857.19
  5. Step 5: Solve for x
    x = 79,933,857.19/9,176.01
  6. Step 6: Final answer
    x = 8,711.18

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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.