Home / 7,124.46-9,834.50-6,377.10

Finding the Fourth Proportional to 7,124.46, 9,834.50 and 6,377.10

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Solution

The fourth proportional to 7,124.46, 9,834.50 and 6,377.10 is: 8,802.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,124.46 : 9,834.50 = 6,377.10 : x
  2. Step 2: Convert to fraction form
    7,124.46/9,834.50 = 6,377.10/x
  3. Step 3: Cross multiply
    7,124.46x = 9,834.50 × 6,377.10
  4. Step 4: Simplify right side
    7,124.46x = 62,715,558.06
  5. Step 5: Solve for x
    x = 62,715,558.06/7,124.46
  6. Step 6: Final answer
    x = 8,802.85

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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.