Home / 8,070.79-11,138.73-4,533.99

Finding the Fourth Proportional to 8,070.79, 11,138.73 and 4,533.99

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Solution

The fourth proportional to 8,070.79, 11,138.73 and 4,533.99 is: 6,257.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,070.79 : 11,138.73 = 4,533.99 : x
  2. Step 2: Convert to fraction form
    8,070.79/11,138.73 = 4,533.99/x
  3. Step 3: Cross multiply
    8,070.79x = 11,138.73 × 4,533.99
  4. Step 4: Simplify right side
    8,070.79x = 50,502,919.82
  5. Step 5: Solve for x
    x = 50,502,919.82/8,070.79
  6. Step 6: Final answer
    x = 6,257.49

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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.