Home / 7,371.08-10,172.16-4,013.96

Finding the Fourth Proportional to 7,371.08, 10,172.16 and 4,013.96

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Solution

The fourth proportional to 7,371.08, 10,172.16 and 4,013.96 is: 5,539.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,371.08 : 10,172.16 = 4,013.96 : x
  2. Step 2: Convert to fraction form
    7,371.08/10,172.16 = 4,013.96/x
  3. Step 3: Cross multiply
    7,371.08x = 10,172.16 × 4,013.96
  4. Step 4: Simplify right side
    7,371.08x = 40,830,643.35
  5. Step 5: Solve for x
    x = 40,830,643.35/7,371.08
  6. Step 6: Final answer
    x = 5,539.30

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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.