Home / 9,653.11-13,320.19-5,403.58

Finding the Fourth Proportional to 9,653.11, 13,320.19 and 5,403.58

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Solution

The fourth proportional to 9,653.11, 13,320.19 and 5,403.58 is: 7,456.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,653.11 : 13,320.19 = 5,403.58 : x
  2. Step 2: Convert to fraction form
    9,653.11/13,320.19 = 5,403.58/x
  3. Step 3: Cross multiply
    9,653.11x = 13,320.19 × 5,403.58
  4. Step 4: Simplify right side
    9,653.11x = 71,976,712.28
  5. Step 5: Solve for x
    x = 71,976,712.28/9,653.11
  6. Step 6: Final answer
    x = 7,456.32

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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.