Home / 10,485.86-15,725.75-3,088.94

Finding the Fourth Proportional to 10,485.86, 15,725.75 and 3,088.94

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Solution

The fourth proportional to 10,485.86, 15,725.75 and 3,088.94 is: 4,632.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,485.86 : 15,725.75 = 3,088.94 : x
  2. Step 2: Convert to fraction form
    10,485.86/15,725.75 = 3,088.94/x
  3. Step 3: Cross multiply
    10,485.86x = 15,725.75 × 3,088.94
  4. Step 4: Simplify right side
    10,485.86x = 48,575,804.13
  5. Step 5: Solve for x
    x = 48,575,804.13/10,485.86
  6. Step 6: Final answer
    x = 4,632.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.