Home / 10,191.36-14,067.06-6,655.11

Finding the Fourth Proportional to 10,191.36, 14,067.06 and 6,655.11

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Solution

The fourth proportional to 10,191.36, 14,067.06 and 6,655.11 is: 9,186.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,191.36 : 14,067.06 = 6,655.11 : x
  2. Step 2: Convert to fraction form
    10,191.36/14,067.06 = 6,655.11/x
  3. Step 3: Cross multiply
    10,191.36x = 14,067.06 × 6,655.11
  4. Step 4: Simplify right side
    10,191.36x = 93,617,831.68
  5. Step 5: Solve for x
    x = 93,617,831.68/10,191.36
  6. Step 6: Final answer
    x = 9,186.00

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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.