Home / 8,497.86-11,725.85-4,720.74

Finding the Fourth Proportional to 8,497.86, 11,725.85 and 4,720.74

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Solution

The fourth proportional to 8,497.86, 11,725.85 and 4,720.74 is: 6,513.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,497.86 : 11,725.85 = 4,720.74 : x
  2. Step 2: Convert to fraction form
    8,497.86/11,725.85 = 4,720.74/x
  3. Step 3: Cross multiply
    8,497.86x = 11,725.85 × 4,720.74
  4. Step 4: Simplify right side
    8,497.86x = 55,354,689.13
  5. Step 5: Solve for x
    x = 55,354,689.13/8,497.86
  6. Step 6: Final answer
    x = 6,513.96

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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.