Home / 10,887.63-16,337.60-4,647.05

Finding the Fourth Proportional to 10,887.63, 16,337.60 and 4,647.05

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Solution

The fourth proportional to 10,887.63, 16,337.60 and 4,647.05 is: 6,973.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,887.63 : 16,337.60 = 4,647.05 : x
  2. Step 2: Convert to fraction form
    10,887.63/16,337.60 = 4,647.05/x
  3. Step 3: Cross multiply
    10,887.63x = 16,337.60 × 4,647.05
  4. Step 4: Simplify right side
    10,887.63x = 75,921,709.75
  5. Step 5: Solve for x
    x = 75,921,709.75/10,887.63
  6. Step 6: Final answer
    x = 6,973.21

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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.