Home / 12,903.84-17,808.66-7,598.54

Finding the Fourth Proportional to 12,903.84, 17,808.66 and 7,598.54

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Solution

The fourth proportional to 12,903.84, 17,808.66 and 7,598.54 is: 10,486.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,903.84 : 17,808.66 = 7,598.54 : x
  2. Step 2: Convert to fraction form
    12,903.84/17,808.66 = 7,598.54/x
  3. Step 3: Cross multiply
    12,903.84x = 17,808.66 × 7,598.54
  4. Step 4: Simplify right side
    12,903.84x = 135,319,859.88
  5. Step 5: Solve for x
    x = 135,319,859.88/12,903.84
  6. Step 6: Final answer
    x = 10,486.79

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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.