Home / 7,007.20-9,671.92-4,911.84

Finding the Fourth Proportional to 7,007.20, 9,671.92 and 4,911.84

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Solution

The fourth proportional to 7,007.20, 9,671.92 and 4,911.84 is: 6,779.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,007.20 : 9,671.92 = 4,911.84 : x
  2. Step 2: Convert to fraction form
    7,007.20/9,671.92 = 4,911.84/x
  3. Step 3: Cross multiply
    7,007.20x = 9,671.92 × 4,911.84
  4. Step 4: Simplify right side
    7,007.20x = 47,506,923.53
  5. Step 5: Solve for x
    x = 47,506,923.53/7,007.20
  6. Step 6: Final answer
    x = 6,779.73

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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.