Home / 8,880.13-12,258.98-6,962.58

Finding the Fourth Proportional to 8,880.13, 12,258.98 and 6,962.58

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Solution

The fourth proportional to 8,880.13, 12,258.98 and 6,962.58 is: 9,611.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,880.13 : 12,258.98 = 6,962.58 : x
  2. Step 2: Convert to fraction form
    8,880.13/12,258.98 = 6,962.58/x
  3. Step 3: Cross multiply
    8,880.13x = 12,258.98 × 6,962.58
  4. Step 4: Simplify right side
    8,880.13x = 85,354,094.16
  5. Step 5: Solve for x
    x = 85,354,094.16/8,880.13
  6. Step 6: Final answer
    x = 9,611.81

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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.