Home / 10,506.29-15,759.43-2,715.10

Finding the Fourth Proportional to 10,506.29, 15,759.43 and 2,715.10

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Solution

The fourth proportional to 10,506.29, 15,759.43 and 2,715.10 is: 4,072.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,506.29 : 15,759.43 = 2,715.10 : x
  2. Step 2: Convert to fraction form
    10,506.29/15,759.43 = 2,715.10/x
  3. Step 3: Cross multiply
    10,506.29x = 15,759.43 × 2,715.10
  4. Step 4: Simplify right side
    10,506.29x = 42,788,428.39
  5. Step 5: Solve for x
    x = 42,788,428.39/10,506.29
  6. Step 6: Final answer
    x = 4,072.65

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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.