Home / 10,146.97-14,011.73-6,376.67

Finding the Fourth Proportional to 10,146.97, 14,011.73 and 6,376.67

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Solution

The fourth proportional to 10,146.97, 14,011.73 and 6,376.67 is: 8,805.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,146.97 : 14,011.73 = 6,376.67 : x
  2. Step 2: Convert to fraction form
    10,146.97/14,011.73 = 6,376.67/x
  3. Step 3: Cross multiply
    10,146.97x = 14,011.73 × 6,376.67
  4. Step 4: Simplify right side
    10,146.97x = 89,348,111.43
  5. Step 5: Solve for x
    x = 89,348,111.43/10,146.97
  6. Step 6: Final answer
    x = 8,805.40

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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.