Home / 35,417.10-53,112.88-11,720.27

Finding the Fourth Proportional to 35,417.10, 53,112.88 and 11,720.27

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Solution

The fourth proportional to 35,417.10, 53,112.88 and 11,720.27 is: 17,576.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,417.10 : 53,112.88 = 11,720.27 : x
  2. Step 2: Convert to fraction form
    35,417.10/53,112.88 = 11,720.27/x
  3. Step 3: Cross multiply
    35,417.10x = 53,112.88 × 11,720.27
  4. Step 4: Simplify right side
    35,417.10x = 622,497,028.51
  5. Step 5: Solve for x
    x = 622,497,028.51/35,417.10
  6. Step 6: Final answer
    x = 17,576.17

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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.