Home / 7,353.16-11,051.70-5,428.60

Finding the Fourth Proportional to 7,353.16, 11,051.70 and 5,428.60

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Solution

The fourth proportional to 7,353.16, 11,051.70 and 5,428.60 is: 8,159.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,353.16 : 11,051.70 = 5,428.60 : x
  2. Step 2: Convert to fraction form
    7,353.16/11,051.70 = 5,428.60/x
  3. Step 3: Cross multiply
    7,353.16x = 11,051.70 × 5,428.60
  4. Step 4: Simplify right side
    7,353.16x = 59,995,258.62
  5. Step 5: Solve for x
    x = 59,995,258.62/7,353.16
  6. Step 6: Final answer
    x = 8,159.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.