Home / 8,491.48-11,718.03-4,714.53

Finding the Fourth Proportional to 8,491.48, 11,718.03 and 4,714.53

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Solution

The fourth proportional to 8,491.48, 11,718.03 and 4,714.53 is: 6,505.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,491.48 : 11,718.03 = 4,714.53 : x
  2. Step 2: Convert to fraction form
    8,491.48/11,718.03 = 4,714.53/x
  3. Step 3: Cross multiply
    8,491.48x = 11,718.03 × 4,714.53
  4. Step 4: Simplify right side
    8,491.48x = 55,244,921.81
  5. Step 5: Solve for x
    x = 55,244,921.81/8,491.48
  6. Step 6: Final answer
    x = 6,505.93

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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.