Home / 11,009.40-16,482.90-8,548.60

Finding the Fourth Proportional to 11,009.40, 16,482.90 and 8,548.60

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Solution

The fourth proportional to 11,009.40, 16,482.90 and 8,548.60 is: 12,798.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,009.40 : 16,482.90 = 8,548.60 : x
  2. Step 2: Convert to fraction form
    11,009.40/16,482.90 = 8,548.60/x
  3. Step 3: Cross multiply
    11,009.40x = 16,482.90 × 8,548.60
  4. Step 4: Simplify right side
    11,009.40x = 140,905,718.94
  5. Step 5: Solve for x
    x = 140,905,718.94/11,009.40
  6. Step 6: Final answer
    x = 12,798.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.