Home / 10,440.26-14,409.10-6,612.26

Finding the Fourth Proportional to 10,440.26, 14,409.10 and 6,612.26

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Solution

The fourth proportional to 10,440.26, 14,409.10 and 6,612.26 is: 9,125.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,440.26 : 14,409.10 = 6,612.26 : x
  2. Step 2: Convert to fraction form
    10,440.26/14,409.10 = 6,612.26/x
  3. Step 3: Cross multiply
    10,440.26x = 14,409.10 × 6,612.26
  4. Step 4: Simplify right side
    10,440.26x = 95,276,715.57
  5. Step 5: Solve for x
    x = 95,276,715.57/10,440.26
  6. Step 6: Final answer
    x = 9,125.89

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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.