Home / 7,652.18-11,478.33-4,187.54

Finding the Fourth Proportional to 7,652.18, 11,478.33 and 4,187.54

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Solution

The fourth proportional to 7,652.18, 11,478.33 and 4,187.54 is: 6,281.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,652.18 : 11,478.33 = 4,187.54 : x
  2. Step 2: Convert to fraction form
    7,652.18/11,478.33 = 4,187.54/x
  3. Step 3: Cross multiply
    7,652.18x = 11,478.33 × 4,187.54
  4. Step 4: Simplify right side
    7,652.18x = 48,065,966.01
  5. Step 5: Solve for x
    x = 48,065,966.01/7,652.18
  6. Step 6: Final answer
    x = 6,281.34

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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.