Home / 12,228.61-16,875.55-6,924.46

Finding the Fourth Proportional to 12,228.61, 16,875.55 and 6,924.46

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Solution

The fourth proportional to 12,228.61, 16,875.55 and 6,924.46 is: 9,555.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,228.61 : 16,875.55 = 6,924.46 : x
  2. Step 2: Convert to fraction form
    12,228.61/16,875.55 = 6,924.46/x
  3. Step 3: Cross multiply
    12,228.61x = 16,875.55 × 6,924.46
  4. Step 4: Simplify right side
    12,228.61x = 116,854,095.83
  5. Step 5: Solve for x
    x = 116,854,095.83/12,228.61
  6. Step 6: Final answer
    x = 9,555.79

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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.