Home / 10,455.32-14,429.58-6,263.48

Finding the Fourth Proportional to 10,455.32, 14,429.58 and 6,263.48

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Solution

The fourth proportional to 10,455.32, 14,429.58 and 6,263.48 is: 8,644.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,455.32 : 14,429.58 = 6,263.48 : x
  2. Step 2: Convert to fraction form
    10,455.32/14,429.58 = 6,263.48/x
  3. Step 3: Cross multiply
    10,455.32x = 14,429.58 × 6,263.48
  4. Step 4: Simplify right side
    10,455.32x = 90,379,385.74
  5. Step 5: Solve for x
    x = 90,379,385.74/10,455.32
  6. Step 6: Final answer
    x = 8,644.34

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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.