Home / 7,518.72-10,374.43-4,374.30

Finding the Fourth Proportional to 7,518.72, 10,374.43 and 4,374.30

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Solution

The fourth proportional to 7,518.72, 10,374.43 and 4,374.30 is: 6,035.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518.72 : 10,374.43 = 4,374.30 : x
  2. Step 2: Convert to fraction form
    7,518.72/10,374.43 = 4,374.30/x
  3. Step 3: Cross multiply
    7,518.72x = 10,374.43 × 4,374.30
  4. Step 4: Simplify right side
    7,518.72x = 45,380,905.32
  5. Step 5: Solve for x
    x = 45,380,905.32/7,518.72
  6. Step 6: Final answer
    x = 6,035.72

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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.