Home / 7,373.12-10,173.75-4,228.70

Finding the Fourth Proportional to 7,373.12, 10,173.75 and 4,228.70

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Solution

The fourth proportional to 7,373.12, 10,173.75 and 4,228.70 is: 5,834.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,373.12 : 10,173.75 = 4,228.70 : x
  2. Step 2: Convert to fraction form
    7,373.12/10,173.75 = 4,228.70/x
  3. Step 3: Cross multiply
    7,373.12x = 10,173.75 × 4,228.70
  4. Step 4: Simplify right side
    7,373.12x = 43,021,685.76
  5. Step 5: Solve for x
    x = 43,021,685.76/7,373.12
  6. Step 6: Final answer
    x = 5,834.94

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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.