Home / 8,712.42-12,022.99-4,733.59

Finding the Fourth Proportional to 8,712.42, 12,022.99 and 4,733.59

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Solution

The fourth proportional to 8,712.42, 12,022.99 and 4,733.59 is: 6,532.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,712.42 : 12,022.99 = 4,733.59 : x
  2. Step 2: Convert to fraction form
    8,712.42/12,022.99 = 4,733.59/x
  3. Step 3: Cross multiply
    8,712.42x = 12,022.99 × 4,733.59
  4. Step 4: Simplify right side
    8,712.42x = 56,911,881.57
  5. Step 5: Solve for x
    x = 56,911,881.57/8,712.42
  6. Step 6: Final answer
    x = 6,532.27

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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.