Home / 8,852.29-12,214.61-5,315.58

Finding the Fourth Proportional to 8,852.29, 12,214.61 and 5,315.58

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Solution

The fourth proportional to 8,852.29, 12,214.61 and 5,315.58 is: 7,334.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,852.29 : 12,214.61 = 5,315.58 : x
  2. Step 2: Convert to fraction form
    8,852.29/12,214.61 = 5,315.58/x
  3. Step 3: Cross multiply
    8,852.29x = 12,214.61 × 5,315.58
  4. Step 4: Simplify right side
    8,852.29x = 64,927,736.62
  5. Step 5: Solve for x
    x = 64,927,736.62/8,852.29
  6. Step 6: Final answer
    x = 7,334.57

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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.