Home / 10,289.63-14,199.96-5,813.28

Finding the Fourth Proportional to 10,289.63, 14,199.96 and 5,813.28

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Solution

The fourth proportional to 10,289.63, 14,199.96 and 5,813.28 is: 8,022.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,289.63 : 14,199.96 = 5,813.28 : x
  2. Step 2: Convert to fraction form
    10,289.63/14,199.96 = 5,813.28/x
  3. Step 3: Cross multiply
    10,289.63x = 14,199.96 × 5,813.28
  4. Step 4: Simplify right side
    10,289.63x = 82,548,389.32
  5. Step 5: Solve for x
    x = 82,548,389.32/10,289.63
  6. Step 6: Final answer
    x = 8,022.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.