Home / 10,934.12-15,090.72-6,956.96

Finding the Fourth Proportional to 10,934.12, 15,090.72 and 6,956.96

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Solution

The fourth proportional to 10,934.12, 15,090.72 and 6,956.96 is: 9,601.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,934.12 : 15,090.72 = 6,956.96 : x
  2. Step 2: Convert to fraction form
    10,934.12/15,090.72 = 6,956.96/x
  3. Step 3: Cross multiply
    10,934.12x = 15,090.72 × 6,956.96
  4. Step 4: Simplify right side
    10,934.12x = 104,985,535.41
  5. Step 5: Solve for x
    x = 104,985,535.41/10,934.12
  6. Step 6: Final answer
    x = 9,601.64

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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.