Home / 9,915.23-13,683.02-5,439.01

Finding the Fourth Proportional to 9,915.23, 13,683.02 and 5,439.01

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Solution

The fourth proportional to 9,915.23, 13,683.02 and 5,439.01 is: 7,505.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,915.23 : 13,683.02 = 5,439.01 : x
  2. Step 2: Convert to fraction form
    9,915.23/13,683.02 = 5,439.01/x
  3. Step 3: Cross multiply
    9,915.23x = 13,683.02 × 5,439.01
  4. Step 4: Simplify right side
    9,915.23x = 74,422,082.61
  5. Step 5: Solve for x
    x = 74,422,082.61/9,915.23
  6. Step 6: Final answer
    x = 7,505.84

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.