Home / 8,929.46-12,316.79-5,737.73

Finding the Fourth Proportional to 8,929.46, 12,316.79 and 5,737.73

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Solution

The fourth proportional to 8,929.46, 12,316.79 and 5,737.73 is: 7,914.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,929.46 : 12,316.79 = 5,737.73 : x
  2. Step 2: Convert to fraction form
    8,929.46/12,316.79 = 5,737.73/x
  3. Step 3: Cross multiply
    8,929.46x = 12,316.79 × 5,737.73
  4. Step 4: Simplify right side
    8,929.46x = 70,670,386.80
  5. Step 5: Solve for x
    x = 70,670,386.80/8,929.46
  6. Step 6: Final answer
    x = 7,914.30

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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.