Home / 10,282.35-15,421.67-2,885.01

Finding the Fourth Proportional to 10,282.35, 15,421.67 and 2,885.01

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Solution

The fourth proportional to 10,282.35, 15,421.67 and 2,885.01 is: 4,326.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,282.35 : 15,421.67 = 2,885.01 : x
  2. Step 2: Convert to fraction form
    10,282.35/15,421.67 = 2,885.01/x
  3. Step 3: Cross multiply
    10,282.35x = 15,421.67 × 2,885.01
  4. Step 4: Simplify right side
    10,282.35x = 44,491,672.17
  5. Step 5: Solve for x
    x = 44,491,672.17/10,282.35
  6. Step 6: Final answer
    x = 4,326.99

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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.