Home / 9,133.14-12,603.06-5,355.84

Finding the Fourth Proportional to 9,133.14, 12,603.06 and 5,355.84

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Solution

The fourth proportional to 9,133.14, 12,603.06 and 5,355.84 is: 7,390.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,133.14 : 12,603.06 = 5,355.84 : x
  2. Step 2: Convert to fraction form
    9,133.14/12,603.06 = 5,355.84/x
  3. Step 3: Cross multiply
    9,133.14x = 12,603.06 × 5,355.84
  4. Step 4: Simplify right side
    9,133.14x = 67,499,972.87
  5. Step 5: Solve for x
    x = 67,499,972.87/9,133.14
  6. Step 6: Final answer
    x = 7,390.66

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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.