Home / 8,578.89-11,838.47-4,852.17

Finding the Fourth Proportional to 8,578.89, 11,838.47 and 4,852.17

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Solution

The fourth proportional to 8,578.89, 11,838.47 and 4,852.17 is: 6,695.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,578.89 : 11,838.47 = 4,852.17 : x
  2. Step 2: Convert to fraction form
    8,578.89/11,838.47 = 4,852.17/x
  3. Step 3: Cross multiply
    8,578.89x = 11,838.47 × 4,852.17
  4. Step 4: Simplify right side
    8,578.89x = 57,442,244.72
  5. Step 5: Solve for x
    x = 57,442,244.72/8,578.89
  6. Step 6: Final answer
    x = 6,695.77

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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.