Home / 9,739.36-13,451.40-6,547.12

Finding the Fourth Proportional to 9,739.36, 13,451.40 and 6,547.12

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Solution

The fourth proportional to 9,739.36, 13,451.40 and 6,547.12 is: 9,042.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,739.36 : 13,451.40 = 6,547.12 : x
  2. Step 2: Convert to fraction form
    9,739.36/13,451.40 = 6,547.12/x
  3. Step 3: Cross multiply
    9,739.36x = 13,451.40 × 6,547.12
  4. Step 4: Simplify right side
    9,739.36x = 88,067,929.97
  5. Step 5: Solve for x
    x = 88,067,929.97/9,739.36
  6. Step 6: Final answer
    x = 9,042.48

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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.