Home / 10,525.16-15,784.45-3,503.53

Finding the Fourth Proportional to 10,525.16, 15,784.45 and 3,503.53

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Solution

The fourth proportional to 10,525.16, 15,784.45 and 3,503.53 is: 5,254.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,525.16 : 15,784.45 = 3,503.53 : x
  2. Step 2: Convert to fraction form
    10,525.16/15,784.45 = 3,503.53/x
  3. Step 3: Cross multiply
    10,525.16x = 15,784.45 × 3,503.53
  4. Step 4: Simplify right side
    10,525.16x = 55,301,245.89
  5. Step 5: Solve for x
    x = 55,301,245.89/10,525.16
  6. Step 6: Final answer
    x = 5,254.20

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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.