Home / 10,721.21-14,795.72-6,244.23

Finding the Fourth Proportional to 10,721.21, 14,795.72 and 6,244.23

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Solution

The fourth proportional to 10,721.21, 14,795.72 and 6,244.23 is: 8,617.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,721.21 : 14,795.72 = 6,244.23 : x
  2. Step 2: Convert to fraction form
    10,721.21/14,795.72 = 6,244.23/x
  3. Step 3: Cross multiply
    10,721.21x = 14,795.72 × 6,244.23
  4. Step 4: Simplify right side
    10,721.21x = 92,387,894.31
  5. Step 5: Solve for x
    x = 92,387,894.31/10,721.21
  6. Step 6: Final answer
    x = 8,617.31

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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.