Home / 11,875.95-16,388.21-6,498.27

Finding the Fourth Proportional to 11,875.95, 16,388.21 and 6,498.27

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Solution

The fourth proportional to 11,875.95, 16,388.21 and 6,498.27 is: 8,967.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,875.95 : 16,388.21 = 6,498.27 : x
  2. Step 2: Convert to fraction form
    11,875.95/16,388.21 = 6,498.27/x
  3. Step 3: Cross multiply
    11,875.95x = 16,388.21 × 6,498.27
  4. Step 4: Simplify right side
    11,875.95x = 106,495,013.40
  5. Step 5: Solve for x
    x = 106,495,013.40/11,875.95
  6. Step 6: Final answer
    x = 8,967.28

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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.