Home / 7,417.02-11,126.76-3,519.30

Finding the Fourth Proportional to 7,417.02, 11,126.76 and 3,519.30

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Solution

The fourth proportional to 7,417.02, 11,126.76 and 3,519.30 is: 5,279.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,417.02 : 11,126.76 = 3,519.30 : x
  2. Step 2: Convert to fraction form
    7,417.02/11,126.76 = 3,519.30/x
  3. Step 3: Cross multiply
    7,417.02x = 11,126.76 × 3,519.30
  4. Step 4: Simplify right side
    7,417.02x = 39,158,406.47
  5. Step 5: Solve for x
    x = 39,158,406.47/7,417.02
  6. Step 6: Final answer
    x = 5,279.53

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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.