Home / 7,002.13-10,509.12-3,307.02

Finding the Fourth Proportional to 7,002.13, 10,509.12 and 3,307.02

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Solution

The fourth proportional to 7,002.13, 10,509.12 and 3,307.02 is: 4,963.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,002.13 : 10,509.12 = 3,307.02 : x
  2. Step 2: Convert to fraction form
    7,002.13/10,509.12 = 3,307.02/x
  3. Step 3: Cross multiply
    7,002.13x = 10,509.12 × 3,307.02
  4. Step 4: Simplify right side
    7,002.13x = 34,753,870.02
  5. Step 5: Solve for x
    x = 34,753,870.02/7,002.13
  6. Step 6: Final answer
    x = 4,963.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.