Home / 8,261.61-11,401.70-4,725.50

Finding the Fourth Proportional to 8,261.61, 11,401.70 and 4,725.50

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Solution

The fourth proportional to 8,261.61, 11,401.70 and 4,725.50 is: 6,521.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,261.61 : 11,401.70 = 4,725.50 : x
  2. Step 2: Convert to fraction form
    8,261.61/11,401.70 = 4,725.50/x
  3. Step 3: Cross multiply
    8,261.61x = 11,401.70 × 4,725.50
  4. Step 4: Simplify right side
    8,261.61x = 53,878,652.71
  5. Step 5: Solve for x
    x = 53,878,652.71/8,261.61
  6. Step 6: Final answer
    x = 6,521.57

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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.