Home / 10,640.36-14,679.29-6,332.59

Finding the Fourth Proportional to 10,640.36, 14,679.29 and 6,332.59

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Solution

The fourth proportional to 10,640.36, 14,679.29 and 6,332.59 is: 8,736.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,640.36 : 14,679.29 = 6,332.59 : x
  2. Step 2: Convert to fraction form
    10,640.36/14,679.29 = 6,332.59/x
  3. Step 3: Cross multiply
    10,640.36x = 14,679.29 × 6,332.59
  4. Step 4: Simplify right side
    10,640.36x = 92,957,959.24
  5. Step 5: Solve for x
    x = 92,957,959.24/10,640.36
  6. Step 6: Final answer
    x = 8,736.35

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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.