Home / 6,875.89-9,486.55-4,042.36

Finding the Fourth Proportional to 6,875.89, 9,486.55 and 4,042.36

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Solution

The fourth proportional to 6,875.89, 9,486.55 and 4,042.36 is: 5,577.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,875.89 : 9,486.55 = 4,042.36 : x
  2. Step 2: Convert to fraction form
    6,875.89/9,486.55 = 4,042.36/x
  3. Step 3: Cross multiply
    6,875.89x = 9,486.55 × 4,042.36
  4. Step 4: Simplify right side
    6,875.89x = 38,348,050.26
  5. Step 5: Solve for x
    x = 38,348,050.26/6,875.89
  6. Step 6: Final answer
    x = 5,577.18

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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.