Home / 10,945.51-16,418.35-4,705.09

Finding the Fourth Proportional to 10,945.51, 16,418.35 and 4,705.09

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Solution

The fourth proportional to 10,945.51, 16,418.35 and 4,705.09 is: 7,057.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,945.51 : 16,418.35 = 4,705.09 : x
  2. Step 2: Convert to fraction form
    10,945.51/16,418.35 = 4,705.09/x
  3. Step 3: Cross multiply
    10,945.51x = 16,418.35 × 4,705.09
  4. Step 4: Simplify right side
    10,945.51x = 77,249,814.40
  5. Step 5: Solve for x
    x = 77,249,814.40/10,945.51
  6. Step 6: Final answer
    x = 7,057.67

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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.