Home / 11,700.51-16,146.71-6,395.32

Finding the Fourth Proportional to 11,700.51, 16,146.71 and 6,395.32

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Solution

The fourth proportional to 11,700.51, 16,146.71 and 6,395.32 is: 8,825.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,700.51 : 16,146.71 = 6,395.32 : x
  2. Step 2: Convert to fraction form
    11,700.51/16,146.71 = 6,395.32/x
  3. Step 3: Cross multiply
    11,700.51x = 16,146.71 × 6,395.32
  4. Step 4: Simplify right side
    11,700.51x = 103,263,377.40
  5. Step 5: Solve for x
    x = 103,263,377.40/11,700.51
  6. Step 6: Final answer
    x = 8,825.54

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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.