Home / 9,353.22-12,906.90-5,374.32

Finding the Fourth Proportional to 9,353.22, 12,906.90 and 5,374.32

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Solution

The fourth proportional to 9,353.22, 12,906.90 and 5,374.32 is: 7,416.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,353.22 : 12,906.90 = 5,374.32 : x
  2. Step 2: Convert to fraction form
    9,353.22/12,906.90 = 5,374.32/x
  3. Step 3: Cross multiply
    9,353.22x = 12,906.90 × 5,374.32
  4. Step 4: Simplify right side
    9,353.22x = 69,365,810.81
  5. Step 5: Solve for x
    x = 69,365,810.81/9,353.22
  6. Step 6: Final answer
    x = 7,416.25

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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.