Home / 10,847.13-14,969.96-6,871.35

Finding the Fourth Proportional to 10,847.13, 14,969.96 and 6,871.35

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Solution

The fourth proportional to 10,847.13, 14,969.96 and 6,871.35 is: 9,483.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,847.13 : 14,969.96 = 6,871.35 : x
  2. Step 2: Convert to fraction form
    10,847.13/14,969.96 = 6,871.35/x
  3. Step 3: Cross multiply
    10,847.13x = 14,969.96 × 6,871.35
  4. Step 4: Simplify right side
    10,847.13x = 102,863,834.65
  5. Step 5: Solve for x
    x = 102,863,834.65/10,847.13
  6. Step 6: Final answer
    x = 9,483.05

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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.