Home / 9,859.47-13,606.11-5,383.32

Finding the Fourth Proportional to 9,859.47, 13,606.11 and 5,383.32

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Solution

The fourth proportional to 9,859.47, 13,606.11 and 5,383.32 is: 7,429.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,859.47 : 13,606.11 = 5,383.32 : x
  2. Step 2: Convert to fraction form
    9,859.47/13,606.11 = 5,383.32/x
  3. Step 3: Cross multiply
    9,859.47x = 13,606.11 × 5,383.32
  4. Step 4: Simplify right side
    9,859.47x = 73,246,044.09
  5. Step 5: Solve for x
    x = 73,246,044.09/9,859.47
  6. Step 6: Final answer
    x = 7,429.00

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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.