Home / 11,070.81-16,612.29-4,745.12

Finding the Fourth Proportional to 11,070.81, 16,612.29 and 4,745.12

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Solution

The fourth proportional to 11,070.81, 16,612.29 and 4,745.12 is: 7,120.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,070.81 : 16,612.29 = 4,745.12 : x
  2. Step 2: Convert to fraction form
    11,070.81/16,612.29 = 4,745.12/x
  3. Step 3: Cross multiply
    11,070.81x = 16,612.29 × 4,745.12
  4. Step 4: Simplify right side
    11,070.81x = 78,827,226.46
  5. Step 5: Solve for x
    x = 78,827,226.46/11,070.81
  6. Step 6: Final answer
    x = 7,120.28

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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.