Home / 8,575.12-11,807.35-7,506.91

Finding the Fourth Proportional to 8,575.12, 11,807.35 and 7,506.91

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Solution

The fourth proportional to 8,575.12, 11,807.35 and 7,506.91 is: 10,336.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,575.12 : 11,807.35 = 7,506.91 : x
  2. Step 2: Convert to fraction form
    8,575.12/11,807.35 = 7,506.91/x
  3. Step 3: Cross multiply
    8,575.12x = 11,807.35 × 7,506.91
  4. Step 4: Simplify right side
    8,575.12x = 88,636,713.79
  5. Step 5: Solve for x
    x = 88,636,713.79/8,575.12
  6. Step 6: Final answer
    x = 10,336.50

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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.