Home / 9,133.11-12,603.47-5,153.99

Finding the Fourth Proportional to 9,133.11, 12,603.47 and 5,153.99

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Solution

The fourth proportional to 9,133.11, 12,603.47 and 5,153.99 is: 7,112.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,133.11 : 12,603.47 = 5,153.99 : x
  2. Step 2: Convert to fraction form
    9,133.11/12,603.47 = 5,153.99/x
  3. Step 3: Cross multiply
    9,133.11x = 12,603.47 × 5,153.99
  4. Step 4: Simplify right side
    9,133.11x = 64,958,069.56
  5. Step 5: Solve for x
    x = 64,958,069.56/9,133.11
  6. Step 6: Final answer
    x = 7,112.37

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Half scale
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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.