Home / 8,530.43-11,771.64-4,753.40

Finding the Fourth Proportional to 8,530.43, 11,771.64 and 4,753.40

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Solution

The fourth proportional to 8,530.43, 11,771.64 and 4,753.40 is: 6,559.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,530.43 : 11,771.64 = 4,753.40 : x
  2. Step 2: Convert to fraction form
    8,530.43/11,771.64 = 4,753.40/x
  3. Step 3: Cross multiply
    8,530.43x = 11,771.64 × 4,753.40
  4. Step 4: Simplify right side
    8,530.43x = 55,955,313.58
  5. Step 5: Solve for x
    x = 55,955,313.58/8,530.43
  6. Step 6: Final answer
    x = 6,559.50

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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.