Home / 11,316.02-15,605.85-7,067.47

Finding the Fourth Proportional to 11,316.02, 15,605.85 and 7,067.47

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Solution

The fourth proportional to 11,316.02, 15,605.85 and 7,067.47 is: 9,746.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,316.02 : 15,605.85 = 7,067.47 : x
  2. Step 2: Convert to fraction form
    11,316.02/15,605.85 = 7,067.47/x
  3. Step 3: Cross multiply
    11,316.02x = 15,605.85 × 7,067.47
  4. Step 4: Simplify right side
    11,316.02x = 110,293,876.70
  5. Step 5: Solve for x
    x = 110,293,876.70/11,316.02
  6. Step 6: Final answer
    x = 9,746.70

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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.