Home / 10,447.09-14,417.21-5,731.37

Finding the Fourth Proportional to 10,447.09, 14,417.21 and 5,731.37

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Solution

The fourth proportional to 10,447.09, 14,417.21 and 5,731.37 is: 7,909.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,447.09 : 14,417.21 = 5,731.37 : x
  2. Step 2: Convert to fraction form
    10,447.09/14,417.21 = 5,731.37/x
  3. Step 3: Cross multiply
    10,447.09x = 14,417.21 × 5,731.37
  4. Step 4: Simplify right side
    10,447.09x = 82,630,264.13
  5. Step 5: Solve for x
    x = 82,630,264.13/10,447.09
  6. Step 6: Final answer
    x = 7,909.41

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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.