Home / 7,926.32-10,938.30-4,389.53

Finding the Fourth Proportional to 7,926.32, 10,938.30 and 4,389.53

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Solution

The fourth proportional to 7,926.32, 10,938.30 and 4,389.53 is: 6,057.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,926.32 : 10,938.30 = 4,389.53 : x
  2. Step 2: Convert to fraction form
    7,926.32/10,938.30 = 4,389.53/x
  3. Step 3: Cross multiply
    7,926.32x = 10,938.30 × 4,389.53
  4. Step 4: Simplify right side
    7,926.32x = 48,013,996.00
  5. Step 5: Solve for x
    x = 48,013,996.00/7,926.32
  6. Step 6: Final answer
    x = 6,057.54

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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.