Home / 11,132.64-15,364.37-6,886.51

Finding the Fourth Proportional to 11,132.64, 15,364.37 and 6,886.51

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Solution

The fourth proportional to 11,132.64, 15,364.37 and 6,886.51 is: 9,504.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,132.64 : 15,364.37 = 6,886.51 : x
  2. Step 2: Convert to fraction form
    11,132.64/15,364.37 = 6,886.51/x
  3. Step 3: Cross multiply
    11,132.64x = 15,364.37 × 6,886.51
  4. Step 4: Simplify right side
    11,132.64x = 105,806,891.63
  5. Step 5: Solve for x
    x = 105,806,891.63/11,132.64
  6. Step 6: Final answer
    x = 9,504.21

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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.