Home / 12,228.60-16,875.45-6,923.10

Finding the Fourth Proportional to 12,228.60, 16,875.45 and 6,923.10

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Solution

The fourth proportional to 12,228.60, 16,875.45 and 6,923.10 is: 9,553.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,228.60 : 16,875.45 = 6,923.10 : x
  2. Step 2: Convert to fraction form
    12,228.60/16,875.45 = 6,923.10/x
  3. Step 3: Cross multiply
    12,228.60x = 16,875.45 × 6,923.10
  4. Step 4: Simplify right side
    12,228.60x = 116,830,427.90
  5. Step 5: Solve for x
    x = 116,830,427.90/12,228.60
  6. Step 6: Final answer
    x = 9,553.87

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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.