Home / 7,266.68-10,028.28-4,285.08

Finding the Fourth Proportional to 7,266.68, 10,028.28 and 4,285.08

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Solution

The fourth proportional to 7,266.68, 10,028.28 and 4,285.08 is: 5,913.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,266.68 : 10,028.28 = 4,285.08 : x
  2. Step 2: Convert to fraction form
    7,266.68/10,028.28 = 4,285.08/x
  3. Step 3: Cross multiply
    7,266.68x = 10,028.28 × 4,285.08
  4. Step 4: Simplify right side
    7,266.68x = 42,971,982.06
  5. Step 5: Solve for x
    x = 42,971,982.06/7,266.68
  6. Step 6: Final answer
    x = 5,913.56

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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.