Home / 9,110.96-13,635.53-5,603.16

Finding the Fourth Proportional to 9,110.96, 13,635.53 and 5,603.16

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Solution

The fourth proportional to 9,110.96, 13,635.53 and 5,603.16 is: 8,385.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,110.96 : 13,635.53 = 5,603.16 : x
  2. Step 2: Convert to fraction form
    9,110.96/13,635.53 = 5,603.16/x
  3. Step 3: Cross multiply
    9,110.96x = 13,635.53 × 5,603.16
  4. Step 4: Simplify right side
    9,110.96x = 76,402,028.26
  5. Step 5: Solve for x
    x = 76,402,028.26/9,110.96
  6. Step 6: Final answer
    x = 8,385.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.