Home / 8,297.48-12,451.58-3,915.18

Finding the Fourth Proportional to 8,297.48, 12,451.58 and 3,915.18

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Solution

The fourth proportional to 8,297.48, 12,451.58 and 3,915.18 is: 5,875.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,297.48 : 12,451.58 = 3,915.18 : x
  2. Step 2: Convert to fraction form
    8,297.48/12,451.58 = 3,915.18/x
  3. Step 3: Cross multiply
    8,297.48x = 12,451.58 × 3,915.18
  4. Step 4: Simplify right side
    8,297.48x = 48,750,186.77
  5. Step 5: Solve for x
    x = 48,750,186.77/8,297.48
  6. Step 6: Final answer
    x = 5,875.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.