Home / 7,916.08-10,924.49-4,331.28

Finding the Fourth Proportional to 7,916.08, 10,924.49 and 4,331.28

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Solution

The fourth proportional to 7,916.08, 10,924.49 and 4,331.28 is: 5,977.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,916.08 : 10,924.49 = 4,331.28 : x
  2. Step 2: Convert to fraction form
    7,916.08/10,924.49 = 4,331.28/x
  3. Step 3: Cross multiply
    7,916.08x = 10,924.49 × 4,331.28
  4. Step 4: Simplify right side
    7,916.08x = 47,317,025.05
  5. Step 5: Solve for x
    x = 47,317,025.05/7,916.08
  6. Step 6: Final answer
    x = 5,977.33

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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.