Home / 10,520.48-14,518.08-5,804.79

Finding the Fourth Proportional to 10,520.48, 14,518.08 and 5,804.79

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Solution

The fourth proportional to 10,520.48, 14,518.08 and 5,804.79 is: 8,010.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,520.48 : 14,518.08 = 5,804.79 : x
  2. Step 2: Convert to fraction form
    10,520.48/14,518.08 = 5,804.79/x
  3. Step 3: Cross multiply
    10,520.48x = 14,518.08 × 5,804.79
  4. Step 4: Simplify right side
    10,520.48x = 84,274,405.60
  5. Step 5: Solve for x
    x = 84,274,405.60/10,520.48
  6. Step 6: Final answer
    x = 8,010.51

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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.