Home / 9,536.88-13,161.43-5,345.40

Finding the Fourth Proportional to 9,536.88, 13,161.43 and 5,345.40

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Solution

The fourth proportional to 9,536.88, 13,161.43 and 5,345.40 is: 7,376.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,536.88 : 13,161.43 = 5,345.40 : x
  2. Step 2: Convert to fraction form
    9,536.88/13,161.43 = 5,345.40/x
  3. Step 3: Cross multiply
    9,536.88x = 13,161.43 × 5,345.40
  4. Step 4: Simplify right side
    9,536.88x = 70,353,107.92
  5. Step 5: Solve for x
    x = 70,353,107.92/9,536.88
  6. Step 6: Final answer
    x = 7,376.95

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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.