Home / 7,775.16-10,729.98-4,630.92

Finding the Fourth Proportional to 7,775.16, 10,729.98 and 4,630.92

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Solution

The fourth proportional to 7,775.16, 10,729.98 and 4,630.92 is: 6,390.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,775.16 : 10,729.98 = 4,630.92 : x
  2. Step 2: Convert to fraction form
    7,775.16/10,729.98 = 4,630.92/x
  3. Step 3: Cross multiply
    7,775.16x = 10,729.98 × 4,630.92
  4. Step 4: Simplify right side
    7,775.16x = 49,689,678.98
  5. Step 5: Solve for x
    x = 49,689,678.98/7,775.16
  6. Step 6: Final answer
    x = 6,390.82

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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.