Home / 12,096.15-18,139.55-4,699.64

Finding the Fourth Proportional to 12,096.15, 18,139.55 and 4,699.64

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Solution

The fourth proportional to 12,096.15, 18,139.55 and 4,699.64 is: 7,047.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096.15 : 18,139.55 = 4,699.64 : x
  2. Step 2: Convert to fraction form
    12,096.15/18,139.55 = 4,699.64/x
  3. Step 3: Cross multiply
    12,096.15x = 18,139.55 × 4,699.64
  4. Step 4: Simplify right side
    12,096.15x = 85,249,240.57
  5. Step 5: Solve for x
    x = 85,249,240.57/12,096.15
  6. Step 6: Final answer
    x = 7,047.63

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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.