Home / 7,442.46-11,112.63-6,346.26

Finding the Fourth Proportional to 7,442.46, 11,112.63 and 6,346.26

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Solution

The fourth proportional to 7,442.46, 11,112.63 and 6,346.26 is: 9,475.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,442.46 : 11,112.63 = 6,346.26 : x
  2. Step 2: Convert to fraction form
    7,442.46/11,112.63 = 6,346.26/x
  3. Step 3: Cross multiply
    7,442.46x = 11,112.63 × 6,346.26
  4. Step 4: Simplify right side
    7,442.46x = 70,523,639.26
  5. Step 5: Solve for x
    x = 70,523,639.26/7,442.46
  6. Step 6: Final answer
    x = 9,475.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.