Home / 9,934.49-13,709.54-5,397.14

Finding the Fourth Proportional to 9,934.49, 13,709.54 and 5,397.14

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Solution

The fourth proportional to 9,934.49, 13,709.54 and 5,397.14 is: 7,448.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,934.49 : 13,709.54 = 5,397.14 : x
  2. Step 2: Convert to fraction form
    9,934.49/13,709.54 = 5,397.14/x
  3. Step 3: Cross multiply
    9,934.49x = 13,709.54 × 5,397.14
  4. Step 4: Simplify right side
    9,934.49x = 73,992,211.18
  5. Step 5: Solve for x
    x = 73,992,211.18/9,934.49
  6. Step 6: Final answer
    x = 7,448.02

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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.