Home / 11,154.98-16,699.60-9,771.02

Finding the Fourth Proportional to 11,154.98, 16,699.60 and 9,771.02

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Solution

The fourth proportional to 11,154.98, 16,699.60 and 9,771.02 is: 14,627.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,154.98 : 16,699.60 = 9,771.02 : x
  2. Step 2: Convert to fraction form
    11,154.98/16,699.60 = 9,771.02/x
  3. Step 3: Cross multiply
    11,154.98x = 16,699.60 × 9,771.02
  4. Step 4: Simplify right side
    11,154.98x = 163,172,210.87
  5. Step 5: Solve for x
    x = 163,172,210.87/11,154.98
  6. Step 6: Final answer
    x = 14,627.74

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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.