Home / 8,392.51-12,587.37-2,547.73

Finding the Fourth Proportional to 8,392.51, 12,587.37 and 2,547.73

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Solution

The fourth proportional to 8,392.51, 12,587.37 and 2,547.73 is: 3,821.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,392.51 : 12,587.37 = 2,547.73 : x
  2. Step 2: Convert to fraction form
    8,392.51/12,587.37 = 2,547.73/x
  3. Step 3: Cross multiply
    8,392.51x = 12,587.37 × 2,547.73
  4. Step 4: Simplify right side
    8,392.51x = 32,069,220.17
  5. Step 5: Solve for x
    x = 32,069,220.17/8,392.51
  6. Step 6: Final answer
    x = 3,821.17

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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.