Home / 10,281.80-14,191.54-6,705.68

Finding the Fourth Proportional to 10,281.80, 14,191.54 and 6,705.68

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Solution

The fourth proportional to 10,281.80, 14,191.54 and 6,705.68 is: 9,255.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,281.80 : 14,191.54 = 6,705.68 : x
  2. Step 2: Convert to fraction form
    10,281.80/14,191.54 = 6,705.68/x
  3. Step 3: Cross multiply
    10,281.80x = 14,191.54 × 6,705.68
  4. Step 4: Simplify right side
    10,281.80x = 95,163,854.99
  5. Step 5: Solve for x
    x = 95,163,854.99/10,281.80
  6. Step 6: Final answer
    x = 9,255.57

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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.