Home / 7,432.76-11,140.54-4,139.25

Finding the Fourth Proportional to 7,432.76, 11,140.54 and 4,139.25

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Solution

The fourth proportional to 7,432.76, 11,140.54 and 4,139.25 is: 6,204.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,432.76 : 11,140.54 = 4,139.25 : x
  2. Step 2: Convert to fraction form
    7,432.76/11,140.54 = 4,139.25/x
  3. Step 3: Cross multiply
    7,432.76x = 11,140.54 × 4,139.25
  4. Step 4: Simplify right side
    7,432.76x = 46,113,490.74
  5. Step 5: Solve for x
    x = 46,113,490.74/7,432.76
  6. Step 6: Final answer
    x = 6,204.09

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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.