Home / 9,199.28-13,802.28-4,518.80

Finding the Fourth Proportional to 9,199.28, 13,802.28 and 4,518.80

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Solution

The fourth proportional to 9,199.28, 13,802.28 and 4,518.80 is: 6,779.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,199.28 : 13,802.28 = 4,518.80 : x
  2. Step 2: Convert to fraction form
    9,199.28/13,802.28 = 4,518.80/x
  3. Step 3: Cross multiply
    9,199.28x = 13,802.28 × 4,518.80
  4. Step 4: Simplify right side
    9,199.28x = 62,369,742.86
  5. Step 5: Solve for x
    x = 62,369,742.86/9,199.28
  6. Step 6: Final answer
    x = 6,779.85

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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.