Home / 7,334.47-10,117.87-5,239.81

Finding the Fourth Proportional to 7,334.47, 10,117.87 and 5,239.81

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Solution

The fourth proportional to 7,334.47, 10,117.87 and 5,239.81 is: 7,228.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,334.47 : 10,117.87 = 5,239.81 : x
  2. Step 2: Convert to fraction form
    7,334.47/10,117.87 = 5,239.81/x
  3. Step 3: Cross multiply
    7,334.47x = 10,117.87 × 5,239.81
  4. Step 4: Simplify right side
    7,334.47x = 53,015,716.40
  5. Step 5: Solve for x
    x = 53,015,716.40/7,334.47
  6. Step 6: Final answer
    x = 7,228.30

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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.