Home / 9,825.61-13,557.01-5,575.74

Finding the Fourth Proportional to 9,825.61, 13,557.01 and 5,575.74

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Solution

The fourth proportional to 9,825.61, 13,557.01 and 5,575.74 is: 7,693.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,825.61 : 13,557.01 = 5,575.74 : x
  2. Step 2: Convert to fraction form
    9,825.61/13,557.01 = 5,575.74/x
  3. Step 3: Cross multiply
    9,825.61x = 13,557.01 × 5,575.74
  4. Step 4: Simplify right side
    9,825.61x = 75,590,343.67
  5. Step 5: Solve for x
    x = 75,590,343.67/9,825.61
  6. Step 6: Final answer
    x = 7,693.20

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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.