Home / 9,683.59-13,363.10-5,491.75

Finding the Fourth Proportional to 9,683.59, 13,363.10 and 5,491.75

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Solution

The fourth proportional to 9,683.59, 13,363.10 and 5,491.75 is: 7,578.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,683.59 : 13,363.10 = 5,491.75 : x
  2. Step 2: Convert to fraction form
    9,683.59/13,363.10 = 5,491.75/x
  3. Step 3: Cross multiply
    9,683.59x = 13,363.10 × 5,491.75
  4. Step 4: Simplify right side
    9,683.59x = 73,386,776.97
  5. Step 5: Solve for x
    x = 73,386,776.97/9,683.59
  6. Step 6: Final answer
    x = 7,578.47

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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.