Home / 7,935.22-11,886.69-5,153.46

Finding the Fourth Proportional to 7,935.22, 11,886.69 and 5,153.46

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Solution

The fourth proportional to 7,935.22, 11,886.69 and 5,153.46 is: 7,719.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,935.22 : 11,886.69 = 5,153.46 : x
  2. Step 2: Convert to fraction form
    7,935.22/11,886.69 = 5,153.46/x
  3. Step 3: Cross multiply
    7,935.22x = 11,886.69 × 5,153.46
  4. Step 4: Simplify right side
    7,935.22x = 61,257,570.11
  5. Step 5: Solve for x
    x = 61,257,570.11/7,935.22
  6. Step 6: Final answer
    x = 7,719.70

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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.