Home / 10,724.14-14,798.64-6,247.72

Finding the Fourth Proportional to 10,724.14, 14,798.64 and 6,247.72

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Solution

The fourth proportional to 10,724.14, 14,798.64 and 6,247.72 is: 8,621.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,724.14 : 14,798.64 = 6,247.72 : x
  2. Step 2: Convert to fraction form
    10,724.14/14,798.64 = 6,247.72/x
  3. Step 3: Cross multiply
    10,724.14x = 14,798.64 × 6,247.72
  4. Step 4: Simplify right side
    10,724.14x = 92,457,759.10
  5. Step 5: Solve for x
    x = 92,457,759.10/10,724.14
  6. Step 6: Final answer
    x = 8,621.46

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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.