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Finding the Fourth Proportional to 7,113.11, 9,814.11 and 4,595.31

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Solution

The fourth proportional to 7,113.11, 9,814.11 and 4,595.31 is: 6,340.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,113.11 : 9,814.11 = 4,595.31 : x
  2. Step 2: Convert to fraction form
    7,113.11/9,814.11 = 4,595.31/x
  3. Step 3: Cross multiply
    7,113.11x = 9,814.11 × 4,595.31
  4. Step 4: Simplify right side
    7,113.11x = 45,098,877.82
  5. Step 5: Solve for x
    x = 45,098,877.82/7,113.11
  6. Step 6: Final answer
    x = 6,340.25

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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.