Home / 10,013.34-13,818.77-6,476.55

Finding the Fourth Proportional to 10,013.34, 13,818.77 and 6,476.55

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Solution

The fourth proportional to 10,013.34, 13,818.77 and 6,476.55 is: 8,937.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,013.34 : 13,818.77 = 6,476.55 : x
  2. Step 2: Convert to fraction form
    10,013.34/13,818.77 = 6,476.55/x
  3. Step 3: Cross multiply
    10,013.34x = 13,818.77 × 6,476.55
  4. Step 4: Simplify right side
    10,013.34x = 89,497,971.03
  5. Step 5: Solve for x
    x = 89,497,971.03/10,013.34
  6. Step 6: Final answer
    x = 8,937.87

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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.