Home / 7,012.95-10,518.61-2,082.08

Finding the Fourth Proportional to 7,012.95, 10,518.61 and 2,082.08

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Solution

The fourth proportional to 7,012.95, 10,518.61 and 2,082.08 is: 3,122.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,012.95 : 10,518.61 = 2,082.08 : x
  2. Step 2: Convert to fraction form
    7,012.95/10,518.61 = 2,082.08/x
  3. Step 3: Cross multiply
    7,012.95x = 10,518.61 × 2,082.08
  4. Step 4: Simplify right side
    7,012.95x = 21,900,587.51
  5. Step 5: Solve for x
    x = 21,900,587.51/7,012.95
  6. Step 6: Final answer
    x = 3,122.88

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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.