Home / 12,248.01-16,897.40-7,997.72

Finding the Fourth Proportional to 12,248.01, 16,897.40 and 7,997.72

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Solution

The fourth proportional to 12,248.01, 16,897.40 and 7,997.72 is: 11,033.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,248.01 : 16,897.40 = 7,997.72 : x
  2. Step 2: Convert to fraction form
    12,248.01/16,897.40 = 7,997.72/x
  3. Step 3: Cross multiply
    12,248.01x = 16,897.40 × 7,997.72
  4. Step 4: Simplify right side
    12,248.01x = 135,140,549.45
  5. Step 5: Solve for x
    x = 135,140,549.45/12,248.01
  6. Step 6: Final answer
    x = 11,033.67

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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.