Home / 10,835.12-14,953.12-6,119.84

Finding the Fourth Proportional to 10,835.12, 14,953.12 and 6,119.84

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Solution

The fourth proportional to 10,835.12, 14,953.12 and 6,119.84 is: 8,445.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,835.12 : 14,953.12 = 6,119.84 : x
  2. Step 2: Convert to fraction form
    10,835.12/14,953.12 = 6,119.84/x
  3. Step 3: Cross multiply
    10,835.12x = 14,953.12 × 6,119.84
  4. Step 4: Simplify right side
    10,835.12x = 91,510,701.90
  5. Step 5: Solve for x
    x = 91,510,701.90/10,835.12
  6. Step 6: Final answer
    x = 8,445.75

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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.