Home / 8,681.03-11,979.59-4,904.58

Finding the Fourth Proportional to 8,681.03, 11,979.59 and 4,904.58

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Solution

The fourth proportional to 8,681.03, 11,979.59 and 4,904.58 is: 6,768.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,681.03 : 11,979.59 = 4,904.58 : x
  2. Step 2: Convert to fraction form
    8,681.03/11,979.59 = 4,904.58/x
  3. Step 3: Cross multiply
    8,681.03x = 11,979.59 × 4,904.58
  4. Step 4: Simplify right side
    8,681.03x = 58,754,833.00
  5. Step 5: Solve for x
    x = 58,754,833.00/8,681.03
  6. Step 6: Final answer
    x = 6,768.19

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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.