Home / 10,657.47-15,985.63-3,261.93

Finding the Fourth Proportional to 10,657.47, 15,985.63 and 3,261.93

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Solution

The fourth proportional to 10,657.47, 15,985.63 and 3,261.93 is: 4,892.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,657.47 : 15,985.63 = 3,261.93 : x
  2. Step 2: Convert to fraction form
    10,657.47/15,985.63 = 3,261.93/x
  3. Step 3: Cross multiply
    10,657.47x = 15,985.63 × 3,261.93
  4. Step 4: Simplify right side
    10,657.47x = 52,144,010.14
  5. Step 5: Solve for x
    x = 52,144,010.14/10,657.47
  6. Step 6: Final answer
    x = 4,892.72

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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.