Home / 10,284.05-15,426.08-2,492.87

Finding the Fourth Proportional to 10,284.05, 15,426.08 and 2,492.87

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Solution

The fourth proportional to 10,284.05, 15,426.08 and 2,492.87 is: 3,739.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,284.05 : 15,426.08 = 2,492.87 : x
  2. Step 2: Convert to fraction form
    10,284.05/15,426.08 = 2,492.87/x
  3. Step 3: Cross multiply
    10,284.05x = 15,426.08 × 2,492.87
  4. Step 4: Simplify right side
    10,284.05x = 38,455,128.69
  5. Step 5: Solve for x
    x = 38,455,128.69/10,284.05
  6. Step 6: Final answer
    x = 3,739.30

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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.