Home / 7,488.90-10,328.84-4,836.96

Finding the Fourth Proportional to 7,488.90, 10,328.84 and 4,836.96

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Solution

The fourth proportional to 7,488.90, 10,328.84 and 4,836.96 is: 6,671.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,488.90 : 10,328.84 = 4,836.96 : x
  2. Step 2: Convert to fraction form
    7,488.90/10,328.84 = 4,836.96/x
  3. Step 3: Cross multiply
    7,488.90x = 10,328.84 × 4,836.96
  4. Step 4: Simplify right side
    7,488.90x = 49,960,185.93
  5. Step 5: Solve for x
    x = 49,960,185.93/7,488.90
  6. Step 6: Final answer
    x = 6,671.23

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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.