Home / 7,187.10-9,916.05-4,535.36

Finding the Fourth Proportional to 7,187.10, 9,916.05 and 4,535.36

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Solution

The fourth proportional to 7,187.10, 9,916.05 and 4,535.36 is: 6,257.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,187.10 : 9,916.05 = 4,535.36 : x
  2. Step 2: Convert to fraction form
    7,187.10/9,916.05 = 4,535.36/x
  3. Step 3: Cross multiply
    7,187.10x = 9,916.05 × 4,535.36
  4. Step 4: Simplify right side
    7,187.10x = 44,972,856.53
  5. Step 5: Solve for x
    x = 44,972,856.53/7,187.10
  6. Step 6: Final answer
    x = 6,257.44

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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.