Home / 12,303.27-18,463.84-4,909.84

Finding the Fourth Proportional to 12,303.27, 18,463.84 and 4,909.84

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Solution

The fourth proportional to 12,303.27, 18,463.84 and 4,909.84 is: 7,368.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,303.27 : 18,463.84 = 4,909.84 : x
  2. Step 2: Convert to fraction form
    12,303.27/18,463.84 = 4,909.84/x
  3. Step 3: Cross multiply
    12,303.27x = 18,463.84 × 4,909.84
  4. Step 4: Simplify right side
    12,303.27x = 90,654,441.75
  5. Step 5: Solve for x
    x = 90,654,441.75/12,303.27
  6. Step 6: Final answer
    x = 7,368.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.