Home / 10,435.79-15,653.69-3,040.83

Finding the Fourth Proportional to 10,435.79, 15,653.69 and 3,040.83

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Solution

The fourth proportional to 10,435.79, 15,653.69 and 3,040.83 is: 4,561.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,435.79 : 15,653.69 = 3,040.83 : x
  2. Step 2: Convert to fraction form
    10,435.79/15,653.69 = 3,040.83/x
  3. Step 3: Cross multiply
    10,435.79x = 15,653.69 × 3,040.83
  4. Step 4: Simplify right side
    10,435.79x = 47,600,194.96
  5. Step 5: Solve for x
    x = 47,600,194.96/10,435.79
  6. Step 6: Final answer
    x = 4,561.25

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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.