Home / 8,134.64-11,222.47-5,482.90

Finding the Fourth Proportional to 8,134.64, 11,222.47 and 5,482.90

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Solution

The fourth proportional to 8,134.64, 11,222.47 and 5,482.90 is: 7,564.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,134.64 : 11,222.47 = 5,482.90 : x
  2. Step 2: Convert to fraction form
    8,134.64/11,222.47 = 5,482.90/x
  3. Step 3: Cross multiply
    8,134.64x = 11,222.47 × 5,482.90
  4. Step 4: Simplify right side
    8,134.64x = 61,531,680.76
  5. Step 5: Solve for x
    x = 61,531,680.76/8,134.64
  6. Step 6: Final answer
    x = 7,564.16

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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.