Home / 9,519.72-13,135.39-6,162.07

Finding the Fourth Proportional to 9,519.72, 13,135.39 and 6,162.07

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Solution

The fourth proportional to 9,519.72, 13,135.39 and 6,162.07 is: 8,502.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,519.72 : 13,135.39 = 6,162.07 : x
  2. Step 2: Convert to fraction form
    9,519.72/13,135.39 = 6,162.07/x
  3. Step 3: Cross multiply
    9,519.72x = 13,135.39 × 6,162.07
  4. Step 4: Simplify right side
    9,519.72x = 80,941,159.82
  5. Step 5: Solve for x
    x = 80,941,159.82/9,519.72
  6. Step 6: Final answer
    x = 8,502.47

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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.