Home / 9,935.28-13,711.04-5,459.19

Finding the Fourth Proportional to 9,935.28, 13,711.04 and 5,459.19

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Solution

The fourth proportional to 9,935.28, 13,711.04 and 5,459.19 is: 7,533.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,935.28 : 13,711.04 = 5,459.19 : x
  2. Step 2: Convert to fraction form
    9,935.28/13,711.04 = 5,459.19/x
  3. Step 3: Cross multiply
    9,935.28x = 13,711.04 × 5,459.19
  4. Step 4: Simplify right side
    9,935.28x = 74,851,114.22
  5. Step 5: Solve for x
    x = 74,851,114.22/9,935.28
  6. Step 6: Final answer
    x = 7,533.87

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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.