Home / 10,011.54-13,815.68-5,535.18

Finding the Fourth Proportional to 10,011.54, 13,815.68 and 5,535.18

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Solution

The fourth proportional to 10,011.54, 13,815.68 and 5,535.18 is: 7,638.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,011.54 : 13,815.68 = 5,535.18 : x
  2. Step 2: Convert to fraction form
    10,011.54/13,815.68 = 5,535.18/x
  3. Step 3: Cross multiply
    10,011.54x = 13,815.68 × 5,535.18
  4. Step 4: Simplify right side
    10,011.54x = 76,472,192.71
  5. Step 5: Solve for x
    x = 76,472,192.71/10,011.54
  6. Step 6: Final answer
    x = 7,638.41

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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.