Home / 10,935.51-15,091.49-6,155.77

Finding the Fourth Proportional to 10,935.51, 15,091.49 and 6,155.77

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Solution

The fourth proportional to 10,935.51, 15,091.49 and 6,155.77 is: 8,495.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,935.51 : 15,091.49 = 6,155.77 : x
  2. Step 2: Convert to fraction form
    10,935.51/15,091.49 = 6,155.77/x
  3. Step 3: Cross multiply
    10,935.51x = 15,091.49 × 6,155.77
  4. Step 4: Simplify right side
    10,935.51x = 92,899,656.14
  5. Step 5: Solve for x
    x = 92,899,656.14/10,935.51
  6. Step 6: Final answer
    x = 8,495.23

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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.