Home / 8,466.77-12,700.56-4,087.91

Finding the Fourth Proportional to 8,466.77, 12,700.56 and 4,087.91

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Solution

The fourth proportional to 8,466.77, 12,700.56 and 4,087.91 is: 6,132.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,466.77 : 12,700.56 = 4,087.91 : x
  2. Step 2: Convert to fraction form
    8,466.77/12,700.56 = 4,087.91/x
  3. Step 3: Cross multiply
    8,466.77x = 12,700.56 × 4,087.91
  4. Step 4: Simplify right side
    8,466.77x = 51,918,746.23
  5. Step 5: Solve for x
    x = 51,918,746.23/8,466.77
  6. Step 6: Final answer
    x = 6,132.06

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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.