Home / 10,402.77-14,356.39-6,156.35

Finding the Fourth Proportional to 10,402.77, 14,356.39 and 6,156.35

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Solution

The fourth proportional to 10,402.77, 14,356.39 and 6,156.35 is: 8,496.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,402.77 : 14,356.39 = 6,156.35 : x
  2. Step 2: Convert to fraction form
    10,402.77/14,356.39 = 6,156.35/x
  3. Step 3: Cross multiply
    10,402.77x = 14,356.39 × 6,156.35
  4. Step 4: Simplify right side
    10,402.77x = 88,382,889.79
  5. Step 5: Solve for x
    x = 88,382,889.79/10,402.77
  6. Step 6: Final answer
    x = 8,496.09

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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.