Home / 7,157.12-9,882.40-4,926.36

Finding the Fourth Proportional to 7,157.12, 9,882.40 and 4,926.36

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Solution

The fourth proportional to 7,157.12, 9,882.40 and 4,926.36 is: 6,802.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,157.12 : 9,882.40 = 4,926.36 : x
  2. Step 2: Convert to fraction form
    7,157.12/9,882.40 = 4,926.36/x
  3. Step 3: Cross multiply
    7,157.12x = 9,882.40 × 4,926.36
  4. Step 4: Simplify right side
    7,157.12x = 48,684,260.06
  5. Step 5: Solve for x
    x = 48,684,260.06/7,157.12
  6. Step 6: Final answer
    x = 6,802.21

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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.