Home / 8,724.89-12,041.36-4,897.58

Finding the Fourth Proportional to 8,724.89, 12,041.36 and 4,897.58

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Solution

The fourth proportional to 8,724.89, 12,041.36 and 4,897.58 is: 6,759.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,724.89 : 12,041.36 = 4,897.58 : x
  2. Step 2: Convert to fraction form
    8,724.89/12,041.36 = 4,897.58/x
  3. Step 3: Cross multiply
    8,724.89x = 12,041.36 × 4,897.58
  4. Step 4: Simplify right side
    8,724.89x = 58,973,523.91
  5. Step 5: Solve for x
    x = 58,973,523.91/8,724.89
  6. Step 6: Final answer
    x = 6,759.23

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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.