Home / 7,916.78-10,926.50-4,561.53

Finding the Fourth Proportional to 7,916.78, 10,926.50 and 4,561.53

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Solution

The fourth proportional to 7,916.78, 10,926.50 and 4,561.53 is: 6,295.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,916.78 : 10,926.50 = 4,561.53 : x
  2. Step 2: Convert to fraction form
    7,916.78/10,926.50 = 4,561.53/x
  3. Step 3: Cross multiply
    7,916.78x = 10,926.50 × 4,561.53
  4. Step 4: Simplify right side
    7,916.78x = 49,841,557.55
  5. Step 5: Solve for x
    x = 49,841,557.55/7,916.78
  6. Step 6: Final answer
    x = 6,295.69

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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.