Home / 9,127.27-13,716.47-5,430.07

Finding the Fourth Proportional to 9,127.27, 13,716.47 and 5,430.07

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Solution

The fourth proportional to 9,127.27, 13,716.47 and 5,430.07 is: 8,160.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,127.27 : 13,716.47 = 5,430.07 : x
  2. Step 2: Convert to fraction form
    9,127.27/13,716.47 = 5,430.07/x
  3. Step 3: Cross multiply
    9,127.27x = 13,716.47 × 5,430.07
  4. Step 4: Simplify right side
    9,127.27x = 74,481,392.43
  5. Step 5: Solve for x
    x = 74,481,392.43/9,127.27
  6. Step 6: Final answer
    x = 8,160.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.