Home / 8,983.51-12,397.37-5,206.95

Finding the Fourth Proportional to 8,983.51, 12,397.37 and 5,206.95

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Solution

The fourth proportional to 8,983.51, 12,397.37 and 5,206.95 is: 7,185.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,983.51 : 12,397.37 = 5,206.95 : x
  2. Step 2: Convert to fraction form
    8,983.51/12,397.37 = 5,206.95/x
  3. Step 3: Cross multiply
    8,983.51x = 12,397.37 × 5,206.95
  4. Step 4: Simplify right side
    8,983.51x = 64,552,459.69
  5. Step 5: Solve for x
    x = 64,552,459.69/8,983.51
  6. Step 6: Final answer
    x = 7,185.66

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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.