Home / 9,905.02-13,669.08-5,928.46

Finding the Fourth Proportional to 9,905.02, 13,669.08 and 5,928.46

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Solution

The fourth proportional to 9,905.02, 13,669.08 and 5,928.46 is: 8,181.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,905.02 : 13,669.08 = 5,928.46 : x
  2. Step 2: Convert to fraction form
    9,905.02/13,669.08 = 5,928.46/x
  3. Step 3: Cross multiply
    9,905.02x = 13,669.08 × 5,928.46
  4. Step 4: Simplify right side
    9,905.02x = 81,036,594.02
  5. Step 5: Solve for x
    x = 81,036,594.02/9,905.02
  6. Step 6: Final answer
    x = 8,181.37

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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.