Home / 7,389.14-10,193.80-4,868.02

Finding the Fourth Proportional to 7,389.14, 10,193.80 and 4,868.02

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Solution

The fourth proportional to 7,389.14, 10,193.80 and 4,868.02 is: 6,715.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,389.14 : 10,193.80 = 4,868.02 : x
  2. Step 2: Convert to fraction form
    7,389.14/10,193.80 = 4,868.02/x
  3. Step 3: Cross multiply
    7,389.14x = 10,193.80 × 4,868.02
  4. Step 4: Simplify right side
    7,389.14x = 49,623,546.97
  5. Step 5: Solve for x
    x = 49,623,546.97/7,389.14
  6. Step 6: Final answer
    x = 6,715.74

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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.