Home / 7,345.23-10,132.20-5,353.44

Finding the Fourth Proportional to 7,345.23, 10,132.20 and 5,353.44

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Solution

The fourth proportional to 7,345.23, 10,132.20 and 5,353.44 is: 7,384.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345.23 : 10,132.20 = 5,353.44 : x
  2. Step 2: Convert to fraction form
    7,345.23/10,132.20 = 5,353.44/x
  3. Step 3: Cross multiply
    7,345.23x = 10,132.20 × 5,353.44
  4. Step 4: Simplify right side
    7,345.23x = 54,242,124.77
  5. Step 5: Solve for x
    x = 54,242,124.77/7,345.23
  6. Step 6: Final answer
    x = 7,384.67

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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.