Home / 7,575.12-10,440.90-5,802.84

Finding the Fourth Proportional to 7,575.12, 10,440.90 and 5,802.84

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Solution

The fourth proportional to 7,575.12, 10,440.90 and 5,802.84 is: 7,998.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,575.12 : 10,440.90 = 5,802.84 : x
  2. Step 2: Convert to fraction form
    7,575.12/10,440.90 = 5,802.84/x
  3. Step 3: Cross multiply
    7,575.12x = 10,440.90 × 5,802.84
  4. Step 4: Simplify right side
    7,575.12x = 60,586,872.16
  5. Step 5: Solve for x
    x = 60,586,872.16/7,575.12
  6. Step 6: Final answer
    x = 7,998.14

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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.