Home / 7,766.37-10,718.49-4,622.58

Finding the Fourth Proportional to 7,766.37, 10,718.49 and 4,622.58

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Solution

The fourth proportional to 7,766.37, 10,718.49 and 4,622.58 is: 6,379.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,766.37 : 10,718.49 = 4,622.58 : x
  2. Step 2: Convert to fraction form
    7,766.37/10,718.49 = 4,622.58/x
  3. Step 3: Cross multiply
    7,766.37x = 10,718.49 × 4,622.58
  4. Step 4: Simplify right side
    7,766.37x = 49,547,077.50
  5. Step 5: Solve for x
    x = 49,547,077.50/7,766.37
  6. Step 6: Final answer
    x = 6,379.70

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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.