Home / 7,623.04-10,518.52-4,479.83

Finding the Fourth Proportional to 7,623.04, 10,518.52 and 4,479.83

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Solution

The fourth proportional to 7,623.04, 10,518.52 and 4,479.83 is: 6,181.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,623.04 : 10,518.52 = 4,479.83 : x
  2. Step 2: Convert to fraction form
    7,623.04/10,518.52 = 4,479.83/x
  3. Step 3: Cross multiply
    7,623.04x = 10,518.52 × 4,479.83
  4. Step 4: Simplify right side
    7,623.04x = 47,121,181.45
  5. Step 5: Solve for x
    x = 47,121,181.45/7,623.04
  6. Step 6: Final answer
    x = 6,181.42

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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.