Home / 10,720.74-14,795.49-6,244.21

Finding the Fourth Proportional to 10,720.74, 14,795.49 and 6,244.21

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Solution

The fourth proportional to 10,720.74, 14,795.49 and 6,244.21 is: 8,617.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,720.74 : 14,795.49 = 6,244.21 : x
  2. Step 2: Convert to fraction form
    10,720.74/14,795.49 = 6,244.21/x
  3. Step 3: Cross multiply
    10,720.74x = 14,795.49 × 6,244.21
  4. Step 4: Simplify right side
    10,720.74x = 92,386,146.61
  5. Step 5: Solve for x
    x = 92,386,146.61/10,720.74
  6. Step 6: Final answer
    x = 8,617.52

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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.