Home / 10,415.61-14,373.45-5,699.88

Finding the Fourth Proportional to 10,415.61, 14,373.45 and 5,699.88

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Solution

The fourth proportional to 10,415.61, 14,373.45 and 5,699.88 is: 7,865.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,415.61 : 14,373.45 = 5,699.88 : x
  2. Step 2: Convert to fraction form
    10,415.61/14,373.45 = 5,699.88/x
  3. Step 3: Cross multiply
    10,415.61x = 14,373.45 × 5,699.88
  4. Step 4: Simplify right side
    10,415.61x = 81,926,940.19
  5. Step 5: Solve for x
    x = 81,926,940.19/10,415.61
  6. Step 6: Final answer
    x = 7,865.78

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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.