Home / 10,430.29-14,382.34-8,035.05

Finding the Fourth Proportional to 10,430.29, 14,382.34 and 8,035.05

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Solution

The fourth proportional to 10,430.29, 14,382.34 and 8,035.05 is: 11,079.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,430.29 : 14,382.34 = 8,035.05 : x
  2. Step 2: Convert to fraction form
    10,430.29/14,382.34 = 8,035.05/x
  3. Step 3: Cross multiply
    10,430.29x = 14,382.34 × 8,035.05
  4. Step 4: Simplify right side
    10,430.29x = 115,562,821.02
  5. Step 5: Solve for x
    x = 115,562,821.02/10,430.29
  6. Step 6: Final answer
    x = 11,079.54

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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.