Home / 9,846.62-13,587.90-5,370.39

Finding the Fourth Proportional to 9,846.62, 13,587.90 and 5,370.39

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Solution

The fourth proportional to 9,846.62, 13,587.90 and 5,370.39 is: 7,410.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,846.62 : 13,587.90 = 5,370.39 : x
  2. Step 2: Convert to fraction form
    9,846.62/13,587.90 = 5,370.39/x
  3. Step 3: Cross multiply
    9,846.62x = 13,587.90 × 5,370.39
  4. Step 4: Simplify right side
    9,846.62x = 72,972,322.28
  5. Step 5: Solve for x
    x = 72,972,322.28/9,846.62
  6. Step 6: Final answer
    x = 7,410.90

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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.