Home / 7,108.63-9,809.69-4,124.26

Finding the Fourth Proportional to 7,108.63, 9,809.69 and 4,124.26

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Solution

The fourth proportional to 7,108.63, 9,809.69 and 4,124.26 is: 5,691.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,108.63 : 9,809.69 = 4,124.26 : x
  2. Step 2: Convert to fraction form
    7,108.63/9,809.69 = 4,124.26/x
  3. Step 3: Cross multiply
    7,108.63x = 9,809.69 × 4,124.26
  4. Step 4: Simplify right side
    7,108.63x = 40,457,663.03
  5. Step 5: Solve for x
    x = 40,457,663.03/7,108.63
  6. Step 6: Final answer
    x = 5,691.35

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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.