Home / 10,570.02-15,857.79-3,174.30

Finding the Fourth Proportional to 10,570.02, 15,857.79 and 3,174.30

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Solution

The fourth proportional to 10,570.02, 15,857.79 and 3,174.30 is: 4,762.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,570.02 : 15,857.79 = 3,174.30 : x
  2. Step 2: Convert to fraction form
    10,570.02/15,857.79 = 3,174.30/x
  3. Step 3: Cross multiply
    10,570.02x = 15,857.79 × 3,174.30
  4. Step 4: Simplify right side
    10,570.02x = 50,337,382.80
  5. Step 5: Solve for x
    x = 50,337,382.80/10,570.02
  6. Step 6: Final answer
    x = 4,762.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.