Home / 7,845.49-10,826.81-4,488.34

Finding the Fourth Proportional to 7,845.49, 10,826.81 and 4,488.34

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Solution

The fourth proportional to 7,845.49, 10,826.81 and 4,488.34 is: 6,193.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,845.49 : 10,826.81 = 4,488.34 : x
  2. Step 2: Convert to fraction form
    7,845.49/10,826.81 = 4,488.34/x
  3. Step 3: Cross multiply
    7,845.49x = 10,826.81 × 4,488.34
  4. Step 4: Simplify right side
    7,845.49x = 48,594,404.40
  5. Step 5: Solve for x
    x = 48,594,404.40/7,845.49
  6. Step 6: Final answer
    x = 6,193.93

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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.