Home / 10,145.86-14,000.45-5,897.00

Finding the Fourth Proportional to 10,145.86, 14,000.45 and 5,897.00

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Solution

The fourth proportional to 10,145.86, 14,000.45 and 5,897.00 is: 8,137.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,145.86 : 14,000.45 = 5,897.00 : x
  2. Step 2: Convert to fraction form
    10,145.86/14,000.45 = 5,897.00/x
  3. Step 3: Cross multiply
    10,145.86x = 14,000.45 × 5,897.00
  4. Step 4: Simplify right side
    10,145.86x = 82,560,659.17
  5. Step 5: Solve for x
    x = 82,560,659.17/10,145.86
  6. Step 6: Final answer
    x = 8,137.38

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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.