Home / 10,424.34-14,385.94-5,708.66

Finding the Fourth Proportional to 10,424.34, 14,385.94 and 5,708.66

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Solution

The fourth proportional to 10,424.34, 14,385.94 and 5,708.66 is: 7,878.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,424.34 : 14,385.94 = 5,708.66 : x
  2. Step 2: Convert to fraction form
    10,424.34/14,385.94 = 5,708.66/x
  3. Step 3: Cross multiply
    10,424.34x = 14,385.94 × 5,708.66
  4. Step 4: Simplify right side
    10,424.34x = 82,124,440.24
  5. Step 5: Solve for x
    x = 82,124,440.24/10,424.34
  6. Step 6: Final answer
    x = 7,878.14

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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.