Home / 7,740.16-10,682.13-4,383.11

Finding the Fourth Proportional to 7,740.16, 10,682.13 and 4,383.11

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Solution

The fourth proportional to 7,740.16, 10,682.13 and 4,383.11 is: 6,049.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,740.16 : 10,682.13 = 4,383.11 : x
  2. Step 2: Convert to fraction form
    7,740.16/10,682.13 = 4,383.11/x
  3. Step 3: Cross multiply
    7,740.16x = 10,682.13 × 4,383.11
  4. Step 4: Simplify right side
    7,740.16x = 46,820,969.31
  5. Step 5: Solve for x
    x = 46,820,969.31/7,740.16
  6. Step 6: Final answer
    x = 6,049.10

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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.