Home / 8,747.51-12,071.41-4,768.65

Finding the Fourth Proportional to 8,747.51, 12,071.41 and 4,768.65

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Solution

The fourth proportional to 8,747.51, 12,071.41 and 4,768.65 is: 6,580.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,747.51 : 12,071.41 = 4,768.65 : x
  2. Step 2: Convert to fraction form
    8,747.51/12,071.41 = 4,768.65/x
  3. Step 3: Cross multiply
    8,747.51x = 12,071.41 × 4,768.65
  4. Step 4: Simplify right side
    8,747.51x = 57,564,329.30
  5. Step 5: Solve for x
    x = 57,564,329.30/8,747.51
  6. Step 6: Final answer
    x = 6,580.65

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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.