Home / 10,386.76-14,334.54-5,910.70

Finding the Fourth Proportional to 10,386.76, 14,334.54 and 5,910.70

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Solution

The fourth proportional to 10,386.76, 14,334.54 and 5,910.70 is: 8,157.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,386.76 : 14,334.54 = 5,910.70 : x
  2. Step 2: Convert to fraction form
    10,386.76/14,334.54 = 5,910.70/x
  3. Step 3: Cross multiply
    10,386.76x = 14,334.54 × 5,910.70
  4. Step 4: Simplify right side
    10,386.76x = 84,727,165.58
  5. Step 5: Solve for x
    x = 84,727,165.58/10,386.76
  6. Step 6: Final answer
    x = 8,157.23

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Double scale
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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.