Home / 7,938.84-10,956.15-4,402.38

Finding the Fourth Proportional to 7,938.84, 10,956.15 and 4,402.38

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Solution

The fourth proportional to 7,938.84, 10,956.15 and 4,402.38 is: 6,075.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,938.84 : 10,956.15 = 4,402.38 : x
  2. Step 2: Convert to fraction form
    7,938.84/10,956.15 = 4,402.38/x
  3. Step 3: Cross multiply
    7,938.84x = 10,956.15 × 4,402.38
  4. Step 4: Simplify right side
    7,938.84x = 48,233,135.64
  5. Step 5: Solve for x
    x = 48,233,135.64/7,938.84
  6. Step 6: Final answer
    x = 6,075.59

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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.