Home / 10,720.37-14,795.91-6,246.74

Finding the Fourth Proportional to 10,720.37, 14,795.91 and 6,246.74

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Solution

The fourth proportional to 10,720.37, 14,795.91 and 6,246.74 is: 8,621.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,720.37 : 14,795.91 = 6,246.74 : x
  2. Step 2: Convert to fraction form
    10,720.37/14,795.91 = 6,246.74/x
  3. Step 3: Cross multiply
    10,720.37x = 14,795.91 × 6,246.74
  4. Step 4: Simplify right side
    10,720.37x = 92,426,239.82
  5. Step 5: Solve for x
    x = 92,426,239.82/10,720.37
  6. Step 6: Final answer
    x = 8,621.55

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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.