Home / 8,722.07-12,036.47-4,743.17

Finding the Fourth Proportional to 8,722.07, 12,036.47 and 4,743.17

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Solution

The fourth proportional to 8,722.07, 12,036.47 and 4,743.17 is: 6,545.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,722.07 : 12,036.47 = 4,743.17 : x
  2. Step 2: Convert to fraction form
    8,722.07/12,036.47 = 4,743.17/x
  3. Step 3: Cross multiply
    8,722.07x = 12,036.47 × 4,743.17
  4. Step 4: Simplify right side
    8,722.07x = 57,091,023.41
  5. Step 5: Solve for x
    x = 57,091,023.41/8,722.07
  6. Step 6: Final answer
    x = 6,545.58

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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.