Home / 11,346.88-15,657.49-6,310.28

Finding the Fourth Proportional to 11,346.88, 15,657.49 and 6,310.28

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Solution

The fourth proportional to 11,346.88, 15,657.49 and 6,310.28 is: 8,707.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,346.88 : 15,657.49 = 6,310.28 : x
  2. Step 2: Convert to fraction form
    11,346.88/15,657.49 = 6,310.28/x
  3. Step 3: Cross multiply
    11,346.88x = 15,657.49 × 6,310.28
  4. Step 4: Simplify right side
    11,346.88x = 98,803,114.45
  5. Step 5: Solve for x
    x = 98,803,114.45/11,346.88
  6. Step 6: Final answer
    x = 8,707.52

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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.