Home / 7,916.49-10,924.74-4,331.43

Finding the Fourth Proportional to 7,916.49, 10,924.74 and 4,331.43

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Solution

The fourth proportional to 7,916.49, 10,924.74 and 4,331.43 is: 5,977.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,916.49 : 10,924.74 = 4,331.43 : x
  2. Step 2: Convert to fraction form
    7,916.49/10,924.74 = 4,331.43/x
  3. Step 3: Cross multiply
    7,916.49x = 10,924.74 × 4,331.43
  4. Step 4: Simplify right side
    7,916.49x = 47,319,746.58
  5. Step 5: Solve for x
    x = 47,319,746.58/7,916.49
  6. Step 6: Final answer
    x = 5,977.36

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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.