Home / 8,889.10-13,330.56-4,946.35

Finding the Fourth Proportional to 8,889.10, 13,330.56 and 4,946.35

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Solution

The fourth proportional to 8,889.10, 13,330.56 and 4,946.35 is: 7,417.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889.10 : 13,330.56 = 4,946.35 : x
  2. Step 2: Convert to fraction form
    8,889.10/13,330.56 = 4,946.35/x
  3. Step 3: Cross multiply
    8,889.10x = 13,330.56 × 4,946.35
  4. Step 4: Simplify right side
    8,889.10x = 65,937,615.46
  5. Step 5: Solve for x
    x = 65,937,615.46/8,889.10
  6. Step 6: Final answer
    x = 7,417.81

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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.