Home / 11,280.18-15,568.23-6,804.18

Finding the Fourth Proportional to 11,280.18, 15,568.23 and 6,804.18

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Solution

The fourth proportional to 11,280.18, 15,568.23 and 6,804.18 is: 9,390.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,280.18 : 15,568.23 = 6,804.18 : x
  2. Step 2: Convert to fraction form
    11,280.18/15,568.23 = 6,804.18/x
  3. Step 3: Cross multiply
    11,280.18x = 15,568.23 × 6,804.18
  4. Step 4: Simplify right side
    11,280.18x = 105,929,039.20
  5. Step 5: Solve for x
    x = 105,929,039.20/11,280.18
  6. Step 6: Final answer
    x = 9,390.72

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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.