Home / 9,857.60-13,601.79-5,877.26

Finding the Fourth Proportional to 9,857.60, 13,601.79 and 5,877.26

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Solution

The fourth proportional to 9,857.60, 13,601.79 and 5,877.26 is: 8,109.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,857.60 : 13,601.79 = 5,877.26 : x
  2. Step 2: Convert to fraction form
    9,857.60/13,601.79 = 5,877.26/x
  3. Step 3: Cross multiply
    9,857.60x = 13,601.79 × 5,877.26
  4. Step 4: Simplify right side
    9,857.60x = 79,941,188.29
  5. Step 5: Solve for x
    x = 79,941,188.29/9,857.60
  6. Step 6: Final answer
    x = 8,109.60

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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.