Home / 7,908.04-10,912.66-4,371.02

Finding the Fourth Proportional to 7,908.04, 10,912.66 and 4,371.02

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Solution

The fourth proportional to 7,908.04, 10,912.66 and 4,371.02 is: 6,031.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,908.04 : 10,912.66 = 4,371.02 : x
  2. Step 2: Convert to fraction form
    7,908.04/10,912.66 = 4,371.02/x
  3. Step 3: Cross multiply
    7,908.04x = 10,912.66 × 4,371.02
  4. Step 4: Simplify right side
    7,908.04x = 47,699,455.11
  5. Step 5: Solve for x
    x = 47,699,455.11/7,908.04
  6. Step 6: Final answer
    x = 6,031.77

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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.