Home / 10,416.92-14,370.36-6,436.58

Finding the Fourth Proportional to 10,416.92, 14,370.36 and 6,436.58

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Solution

The fourth proportional to 10,416.92, 14,370.36 and 6,436.58 is: 8,879.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,416.92 : 14,370.36 = 6,436.58 : x
  2. Step 2: Convert to fraction form
    10,416.92/14,370.36 = 6,436.58/x
  3. Step 3: Cross multiply
    10,416.92x = 14,370.36 × 6,436.58
  4. Step 4: Simplify right side
    10,416.92x = 92,495,971.77
  5. Step 5: Solve for x
    x = 92,495,971.77/10,416.92
  6. Step 6: Final answer
    x = 8,879.40

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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.