Home / 9,132.41-13,699.73-2,890.76

Finding the Fourth Proportional to 9,132.41, 13,699.73 and 2,890.76

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Solution

The fourth proportional to 9,132.41, 13,699.73 and 2,890.76 is: 4,336.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,132.41 : 13,699.73 = 2,890.76 : x
  2. Step 2: Convert to fraction form
    9,132.41/13,699.73 = 2,890.76/x
  3. Step 3: Cross multiply
    9,132.41x = 13,699.73 × 2,890.76
  4. Step 4: Simplify right side
    9,132.41x = 39,602,570.22
  5. Step 5: Solve for x
    x = 39,602,570.22/9,132.41
  6. Step 6: Final answer
    x = 4,336.49

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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.