Home / 7,984.51-11,018.12-4,626.74

Finding the Fourth Proportional to 7,984.51, 11,018.12 and 4,626.74

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Solution

The fourth proportional to 7,984.51, 11,018.12 and 4,626.74 is: 6,384.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,984.51 : 11,018.12 = 4,626.74 : x
  2. Step 2: Convert to fraction form
    7,984.51/11,018.12 = 4,626.74/x
  3. Step 3: Cross multiply
    7,984.51x = 11,018.12 × 4,626.74
  4. Step 4: Simplify right side
    7,984.51x = 50,977,980.94
  5. Step 5: Solve for x
    x = 50,977,980.94/7,984.51
  6. Step 6: Final answer
    x = 6,384.61

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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.