Home / 7,497.11-10,346.06-4,139.87

Finding the Fourth Proportional to 7,497.11, 10,346.06 and 4,139.87

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Solution

The fourth proportional to 7,497.11, 10,346.06 and 4,139.87 is: 5,713.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,497.11 : 10,346.06 = 4,139.87 : x
  2. Step 2: Convert to fraction form
    7,497.11/10,346.06 = 4,139.87/x
  3. Step 3: Cross multiply
    7,497.11x = 10,346.06 × 4,139.87
  4. Step 4: Simplify right side
    7,497.11x = 42,831,302.03
  5. Step 5: Solve for x
    x = 42,831,302.03/7,497.11
  6. Step 6: Final answer
    x = 5,713.04

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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.