Home / 11,326.86-15,632.06-6,612.66

Finding the Fourth Proportional to 11,326.86, 15,632.06 and 6,612.66

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Solution

The fourth proportional to 11,326.86, 15,632.06 and 6,612.66 is: 9,126.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,326.86 : 15,632.06 = 6,612.66 : x
  2. Step 2: Convert to fraction form
    11,326.86/15,632.06 = 6,612.66/x
  3. Step 3: Cross multiply
    11,326.86x = 15,632.06 × 6,612.66
  4. Step 4: Simplify right side
    11,326.86x = 103,369,464.82
  5. Step 5: Solve for x
    x = 103,369,464.82/11,326.86
  6. Step 6: Final answer
    x = 9,126.05

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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.