Home / 7,916.03-11,926.90-7,166.53

Finding the Fourth Proportional to 7,916.03, 11,926.90 and 7,166.53

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Solution

The fourth proportional to 7,916.03, 11,926.90 and 7,166.53 is: 10,797.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,916.03 : 11,926.90 = 7,166.53 : x
  2. Step 2: Convert to fraction form
    7,916.03/11,926.90 = 7,166.53/x
  3. Step 3: Cross multiply
    7,916.03x = 11,926.90 × 7,166.53
  4. Step 4: Simplify right side
    7,916.03x = 85,474,403.12
  5. Step 5: Solve for x
    x = 85,474,403.12/7,916.03
  6. Step 6: Final answer
    x = 10,797.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.