Home / 10,001.36-14,985.60-3,423.96

Finding the Fourth Proportional to 10,001.36, 14,985.60 and 3,423.96

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Solution

The fourth proportional to 10,001.36, 14,985.60 and 3,423.96 is: 5,130.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,001.36 : 14,985.60 = 3,423.96 : x
  2. Step 2: Convert to fraction form
    10,001.36/14,985.60 = 3,423.96/x
  3. Step 3: Cross multiply
    10,001.36x = 14,985.60 × 3,423.96
  4. Step 4: Simplify right side
    10,001.36x = 51,310,094.98
  5. Step 5: Solve for x
    x = 51,310,094.98/10,001.36
  6. Step 6: Final answer
    x = 5,130.31

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1.5x scale

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.