Home / 10,011.04-13,815.85-5,534.70

Finding the Fourth Proportional to 10,011.04, 13,815.85 and 5,534.70

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Solution

The fourth proportional to 10,011.04, 13,815.85 and 5,534.70 is: 7,638.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,011.04 : 13,815.85 = 5,534.70 : x
  2. Step 2: Convert to fraction form
    10,011.04/13,815.85 = 5,534.70/x
  3. Step 3: Cross multiply
    10,011.04x = 13,815.85 × 5,534.70
  4. Step 4: Simplify right side
    10,011.04x = 76,466,529.73
  5. Step 5: Solve for x
    x = 76,466,529.73/10,011.04
  6. Step 6: Final answer
    x = 7,638.22

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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.