Home / 10,303.37-15,442.39-4,749.01

Finding the Fourth Proportional to 10,303.37, 15,442.39 and 4,749.01

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Solution

The fourth proportional to 10,303.37, 15,442.39 and 4,749.01 is: 7,117.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,303.37 : 15,442.39 = 4,749.01 : x
  2. Step 2: Convert to fraction form
    10,303.37/15,442.39 = 4,749.01/x
  3. Step 3: Cross multiply
    10,303.37x = 15,442.39 × 4,749.01
  4. Step 4: Simplify right side
    10,303.37x = 73,335,963.58
  5. Step 5: Solve for x
    x = 73,335,963.58/10,303.37
  6. Step 6: Final answer
    x = 7,117.67

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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.