Home / 7,390.02-10,199.07-4,116.11

Finding the Fourth Proportional to 7,390.02, 10,199.07 and 4,116.11

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Solution

The fourth proportional to 7,390.02, 10,199.07 and 4,116.11 is: 5,680.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390.02 : 10,199.07 = 4,116.11 : x
  2. Step 2: Convert to fraction form
    7,390.02/10,199.07 = 4,116.11/x
  3. Step 3: Cross multiply
    7,390.02x = 10,199.07 × 4,116.11
  4. Step 4: Simplify right side
    7,390.02x = 41,980,443.02
  5. Step 5: Solve for x
    x = 41,980,443.02/7,390.02
  6. Step 6: Final answer
    x = 5,680.69

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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.