Home / 8,848.48-12,206.82-5,705.68

Finding the Fourth Proportional to 8,848.48, 12,206.82 and 5,705.68

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Solution

The fourth proportional to 8,848.48, 12,206.82 and 5,705.68 is: 7,871.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,848.48 : 12,206.82 = 5,705.68 : x
  2. Step 2: Convert to fraction form
    8,848.48/12,206.82 = 5,705.68/x
  3. Step 3: Cross multiply
    8,848.48x = 12,206.82 × 5,705.68
  4. Step 4: Simplify right side
    8,848.48x = 69,648,208.74
  5. Step 5: Solve for x
    x = 69,648,208.74/8,848.48
  6. Step 6: Final answer
    x = 7,871.21

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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.