Home / 10,392.16-14,339.88-5,916

Finding the Fourth Proportional to 10,392.16, 14,339.88 and 5,916

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Solution

The fourth proportional to 10,392.16, 14,339.88 and 5,916 is: 8,163.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,392.16 : 14,339.88 = 5,916 : x
  2. Step 2: Convert to fraction form
    10,392.16/14,339.88 = 5,916/x
  3. Step 3: Cross multiply
    10,392.16x = 14,339.88 × 5,916
  4. Step 4: Simplify right side
    10,392.16x = 84,834,730.08
  5. Step 5: Solve for x
    x = 84,834,730.08/10,392.16
  6. Step 6: Final answer
    x = 8,163.34

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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.