Home / 9,308.24-12,845.04-5,116.40

Finding the Fourth Proportional to 9,308.24, 12,845.04 and 5,116.40

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Solution

The fourth proportional to 9,308.24, 12,845.04 and 5,116.40 is: 7,060.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,308.24 : 12,845.04 = 5,116.40 : x
  2. Step 2: Convert to fraction form
    9,308.24/12,845.04 = 5,116.40/x
  3. Step 3: Cross multiply
    9,308.24x = 12,845.04 × 5,116.40
  4. Step 4: Simplify right side
    9,308.24x = 65,720,362.66
  5. Step 5: Solve for x
    x = 65,720,362.66/9,308.24
  6. Step 6: Final answer
    x = 7,060.45

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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.