Home / 11,386.47-17,084.57-5,541.51

Finding the Fourth Proportional to 11,386.47, 17,084.57 and 5,541.51

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Solution

The fourth proportional to 11,386.47, 17,084.57 and 5,541.51 is: 8,314.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,386.47 : 17,084.57 = 5,541.51 : x
  2. Step 2: Convert to fraction form
    11,386.47/17,084.57 = 5,541.51/x
  3. Step 3: Cross multiply
    11,386.47x = 17,084.57 × 5,541.51
  4. Step 4: Simplify right side
    11,386.47x = 94,674,383.03
  5. Step 5: Solve for x
    x = 94,674,383.03/11,386.47
  6. Step 6: Final answer
    x = 8,314.64

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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.