Home / 10,703.40-16,056.30-3,307.80

Finding the Fourth Proportional to 10,703.40, 16,056.30 and 3,307.80

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Solution

The fourth proportional to 10,703.40, 16,056.30 and 3,307.80 is: 4,962.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,703.40 : 16,056.30 = 3,307.80 : x
  2. Step 2: Convert to fraction form
    10,703.40/16,056.30 = 3,307.80/x
  3. Step 3: Cross multiply
    10,703.40x = 16,056.30 × 3,307.80
  4. Step 4: Simplify right side
    10,703.40x = 53,111,029.14
  5. Step 5: Solve for x
    x = 53,111,029.14/10,703.40
  6. Step 6: Final answer
    x = 4,962.07

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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.