Home / 8,324.21-11,487.68-4,547.72

Finding the Fourth Proportional to 8,324.21, 11,487.68 and 4,547.72

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Solution

The fourth proportional to 8,324.21, 11,487.68 and 4,547.72 is: 6,276.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,324.21 : 11,487.68 = 4,547.72 : x
  2. Step 2: Convert to fraction form
    8,324.21/11,487.68 = 4,547.72/x
  3. Step 3: Cross multiply
    8,324.21x = 11,487.68 × 4,547.72
  4. Step 4: Simplify right side
    8,324.21x = 52,242,671.91
  5. Step 5: Solve for x
    x = 52,242,671.91/8,324.21
  6. Step 6: Final answer
    x = 6,276.00

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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.