Home / 8,579.04-11,840.76-5,433

Finding the Fourth Proportional to 8,579.04, 11,840.76 and 5,433

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Solution

The fourth proportional to 8,579.04, 11,840.76 and 5,433 is: 7,498.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,579.04 : 11,840.76 = 5,433 : x
  2. Step 2: Convert to fraction form
    8,579.04/11,840.76 = 5,433/x
  3. Step 3: Cross multiply
    8,579.04x = 11,840.76 × 5,433
  4. Step 4: Simplify right side
    8,579.04x = 64,330,849.08
  5. Step 5: Solve for x
    x = 64,330,849.08/8,579.04
  6. Step 6: Final answer
    x = 7,498.61

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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.