Home / 7,518.56-10,364.78-5,273.48

Finding the Fourth Proportional to 7,518.56, 10,364.78 and 5,273.48

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Solution

The fourth proportional to 7,518.56, 10,364.78 and 5,273.48 is: 7,269.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518.56 : 10,364.78 = 5,273.48 : x
  2. Step 2: Convert to fraction form
    7,518.56/10,364.78 = 5,273.48/x
  3. Step 3: Cross multiply
    7,518.56x = 10,364.78 × 5,273.48
  4. Step 4: Simplify right side
    7,518.56x = 54,658,381.84
  5. Step 5: Solve for x
    x = 54,658,381.84/7,518.56
  6. Step 6: Final answer
    x = 7,269.80

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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.