Home / 9,668.45-13,342.47-5,476.70

Finding the Fourth Proportional to 9,668.45, 13,342.47 and 5,476.70

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Solution

The fourth proportional to 9,668.45, 13,342.47 and 5,476.70 is: 7,557.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,668.45 : 13,342.47 = 5,476.70 : x
  2. Step 2: Convert to fraction form
    9,668.45/13,342.47 = 5,476.70/x
  3. Step 3: Cross multiply
    9,668.45x = 13,342.47 × 5,476.70
  4. Step 4: Simplify right side
    9,668.45x = 73,072,705.45
  5. Step 5: Solve for x
    x = 73,072,705.45/9,668.45
  6. Step 6: Final answer
    x = 7,557.85

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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.