Home / 10,267.60-14,157.90-7,429.36

Finding the Fourth Proportional to 10,267.60, 14,157.90 and 7,429.36

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Solution

The fourth proportional to 10,267.60, 14,157.90 and 7,429.36 is: 10,244.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,267.60 : 14,157.90 = 7,429.36 : x
  2. Step 2: Convert to fraction form
    10,267.60/14,157.90 = 7,429.36/x
  3. Step 3: Cross multiply
    10,267.60x = 14,157.90 × 7,429.36
  4. Step 4: Simplify right side
    10,267.60x = 105,184,135.94
  5. Step 5: Solve for x
    x = 105,184,135.94/10,267.60
  6. Step 6: Final answer
    x = 10,244.28

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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.