Home / 7,857.36-10,841.22-5,335.02

Finding the Fourth Proportional to 7,857.36, 10,841.22 and 5,335.02

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Solution

The fourth proportional to 7,857.36, 10,841.22 and 5,335.02 is: 7,361.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,857.36 : 10,841.22 = 5,335.02 : x
  2. Step 2: Convert to fraction form
    7,857.36/10,841.22 = 5,335.02/x
  3. Step 3: Cross multiply
    7,857.36x = 10,841.22 × 5,335.02
  4. Step 4: Simplify right side
    7,857.36x = 57,838,125.52
  5. Step 5: Solve for x
    x = 57,838,125.52/7,857.36
  6. Step 6: Final answer
    x = 7,361.01

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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.