Home / 10,820.38-14,931.84-6,104.29

Finding the Fourth Proportional to 10,820.38, 14,931.84 and 6,104.29

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Solution

The fourth proportional to 10,820.38, 14,931.84 and 6,104.29 is: 8,423.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,820.38 : 14,931.84 = 6,104.29 : x
  2. Step 2: Convert to fraction form
    10,820.38/14,931.84 = 6,104.29/x
  3. Step 3: Cross multiply
    10,820.38x = 14,931.84 × 6,104.29
  4. Step 4: Simplify right side
    10,820.38x = 91,148,281.59
  5. Step 5: Solve for x
    x = 91,148,281.59/10,820.38
  6. Step 6: Final answer
    x = 8,423.76

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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.