Home / 11,485.16-17,213.35-4,903.64

Finding the Fourth Proportional to 11,485.16, 17,213.35 and 4,903.64

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Solution

The fourth proportional to 11,485.16, 17,213.35 and 4,903.64 is: 7,349.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,485.16 : 17,213.35 = 4,903.64 : x
  2. Step 2: Convert to fraction form
    11,485.16/17,213.35 = 4,903.64/x
  3. Step 3: Cross multiply
    11,485.16x = 17,213.35 × 4,903.64
  4. Step 4: Simplify right side
    11,485.16x = 84,408,071.59
  5. Step 5: Solve for x
    x = 84,408,071.59/11,485.16
  6. Step 6: Final answer
    x = 7,349.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.