Home / 10,035.47-13,848.90-5,786.50

Finding the Fourth Proportional to 10,035.47, 13,848.90 and 5,786.50

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Solution

The fourth proportional to 10,035.47, 13,848.90 and 5,786.50 is: 7,985.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,035.47 : 13,848.90 = 5,786.50 : x
  2. Step 2: Convert to fraction form
    10,035.47/13,848.90 = 5,786.50/x
  3. Step 3: Cross multiply
    10,035.47x = 13,848.90 × 5,786.50
  4. Step 4: Simplify right side
    10,035.47x = 80,136,659.85
  5. Step 5: Solve for x
    x = 80,136,659.85/10,035.47
  6. Step 6: Final answer
    x = 7,985.34

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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.