Home / 10,215.04-14,101.58-6,817.67

Finding the Fourth Proportional to 10,215.04, 14,101.58 and 6,817.67

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Solution

The fourth proportional to 10,215.04, 14,101.58 and 6,817.67 is: 9,411.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,215.04 : 14,101.58 = 6,817.67 : x
  2. Step 2: Convert to fraction form
    10,215.04/14,101.58 = 6,817.67/x
  3. Step 3: Cross multiply
    10,215.04x = 14,101.58 × 6,817.67
  4. Step 4: Simplify right side
    10,215.04x = 96,139,884.83
  5. Step 5: Solve for x
    x = 96,139,884.83/10,215.04
  6. Step 6: Final answer
    x = 9,411.61

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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.