Home / 10,159.12-14,021.23-6,382.83

Finding the Fourth Proportional to 10,159.12, 14,021.23 and 6,382.83

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Solution

The fourth proportional to 10,159.12, 14,021.23 and 6,382.83 is: 8,809.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,159.12 : 14,021.23 = 6,382.83 : x
  2. Step 2: Convert to fraction form
    10,159.12/14,021.23 = 6,382.83/x
  3. Step 3: Cross multiply
    10,159.12x = 14,021.23 × 6,382.83
  4. Step 4: Simplify right side
    10,159.12x = 89,495,176.07
  5. Step 5: Solve for x
    x = 89,495,176.07/10,159.12
  6. Step 6: Final answer
    x = 8,809.34

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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.