Home / 10,653.32-15,988.54-4,810.44

Finding the Fourth Proportional to 10,653.32, 15,988.54 and 4,810.44

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Solution

The fourth proportional to 10,653.32, 15,988.54 and 4,810.44 is: 7,219.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,653.32 : 15,988.54 = 4,810.44 : x
  2. Step 2: Convert to fraction form
    10,653.32/15,988.54 = 4,810.44/x
  3. Step 3: Cross multiply
    10,653.32x = 15,988.54 × 4,810.44
  4. Step 4: Simplify right side
    10,653.32x = 76,911,912.36
  5. Step 5: Solve for x
    x = 76,911,912.36/10,653.32
  6. Step 6: Final answer
    x = 7,219.53

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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.