Home / 9,427.06-13,003.54-6,778.02

Finding the Fourth Proportional to 9,427.06, 13,003.54 and 6,778.02

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Solution

The fourth proportional to 9,427.06, 13,003.54 and 6,778.02 is: 9,349.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,427.06 : 13,003.54 = 6,778.02 : x
  2. Step 2: Convert to fraction form
    9,427.06/13,003.54 = 6,778.02/x
  3. Step 3: Cross multiply
    9,427.06x = 13,003.54 × 6,778.02
  4. Step 4: Simplify right side
    9,427.06x = 88,138,254.19
  5. Step 5: Solve for x
    x = 88,138,254.19/9,427.06
  6. Step 6: Final answer
    x = 9,349.50

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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.