Home / 8,983.76-12,397.58-5,005.13

Finding the Fourth Proportional to 8,983.76, 12,397.58 and 5,005.13

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Solution

The fourth proportional to 8,983.76, 12,397.58 and 5,005.13 is: 6,907.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,983.76 : 12,397.58 = 5,005.13 : x
  2. Step 2: Convert to fraction form
    8,983.76/12,397.58 = 5,005.13/x
  3. Step 3: Cross multiply
    8,983.76x = 12,397.58 × 5,005.13
  4. Step 4: Simplify right side
    8,983.76x = 62,051,450.11
  5. Step 5: Solve for x
    x = 62,051,450.11/8,983.76
  6. Step 6: Final answer
    x = 6,907.07

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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.