Home / 7,356.21-10,151.48-5,476.20

Finding the Fourth Proportional to 7,356.21, 10,151.48 and 5,476.20

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Solution

The fourth proportional to 7,356.21, 10,151.48 and 5,476.20 is: 7,557.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,356.21 : 10,151.48 = 5,476.20 : x
  2. Step 2: Convert to fraction form
    7,356.21/10,151.48 = 5,476.20/x
  3. Step 3: Cross multiply
    7,356.21x = 10,151.48 × 5,476.20
  4. Step 4: Simplify right side
    7,356.21x = 55,591,484.02
  5. Step 5: Solve for x
    x = 55,591,484.02/7,356.21
  6. Step 6: Final answer
    x = 7,557.09

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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.