Home / 7,858.20-10,840.68-4,708.92

Finding the Fourth Proportional to 7,858.20, 10,840.68 and 4,708.92

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Solution

The fourth proportional to 7,858.20, 10,840.68 and 4,708.92 is: 6,496.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,858.20 : 10,840.68 = 4,708.92 : x
  2. Step 2: Convert to fraction form
    7,858.20/10,840.68 = 4,708.92/x
  3. Step 3: Cross multiply
    7,858.20x = 10,840.68 × 4,708.92
  4. Step 4: Simplify right side
    7,858.20x = 51,047,894.87
  5. Step 5: Solve for x
    x = 51,047,894.87/7,858.20
  6. Step 6: Final answer
    x = 6,496.13

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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.