Home / 9,845.47-13,586.70-5,369.14

Finding the Fourth Proportional to 9,845.47, 13,586.70 and 5,369.14

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Solution

The fourth proportional to 9,845.47, 13,586.70 and 5,369.14 is: 7,409.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,845.47 : 13,586.70 = 5,369.14 : x
  2. Step 2: Convert to fraction form
    9,845.47/13,586.70 = 5,369.14/x
  3. Step 3: Cross multiply
    9,845.47x = 13,586.70 × 5,369.14
  4. Step 4: Simplify right side
    9,845.47x = 72,948,894.44
  5. Step 5: Solve for x
    x = 72,948,894.44/9,845.47
  6. Step 6: Final answer
    x = 7,409.39

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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.