Home / 8,330.46-11,466.78-7,543.14

Finding the Fourth Proportional to 8,330.46, 11,466.78 and 7,543.14

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Solution

The fourth proportional to 8,330.46, 11,466.78 and 7,543.14 is: 10,383.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,330.46 : 11,466.78 = 7,543.14 : x
  2. Step 2: Convert to fraction form
    8,330.46/11,466.78 = 7,543.14/x
  3. Step 3: Cross multiply
    8,330.46x = 11,466.78 × 7,543.14
  4. Step 4: Simplify right side
    8,330.46x = 86,495,526.89
  5. Step 5: Solve for x
    x = 86,495,526.89/8,330.46
  6. Step 6: Final answer
    x = 10,383.04

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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.