Home / 7,798.10-10,761.34-4,612.54

Finding the Fourth Proportional to 7,798.10, 10,761.34 and 4,612.54

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Solution

The fourth proportional to 7,798.10, 10,761.34 and 4,612.54 is: 6,365.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,798.10 : 10,761.34 = 4,612.54 : x
  2. Step 2: Convert to fraction form
    7,798.10/10,761.34 = 4,612.54/x
  3. Step 3: Cross multiply
    7,798.10x = 10,761.34 × 4,612.54
  4. Step 4: Simplify right side
    7,798.10x = 49,637,111.20
  5. Step 5: Solve for x
    x = 49,637,111.20/7,798.10
  6. Step 6: Final answer
    x = 6,365.28

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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.