Home / 10,005.02-13,807.54-5,757.22

Finding the Fourth Proportional to 10,005.02, 13,807.54 and 5,757.22

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Solution

The fourth proportional to 10,005.02, 13,807.54 and 5,757.22 is: 7,945.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,005.02 : 13,807.54 = 5,757.22 : x
  2. Step 2: Convert to fraction form
    10,005.02/13,807.54 = 5,757.22/x
  3. Step 3: Cross multiply
    10,005.02x = 13,807.54 × 5,757.22
  4. Step 4: Simplify right side
    10,005.02x = 79,493,045.44
  5. Step 5: Solve for x
    x = 79,493,045.44/10,005.02
  6. Step 6: Final answer
    x = 7,945.32

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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.