Home / 10,217.36-15,328.49-4,291.00

Finding the Fourth Proportional to 10,217.36, 15,328.49 and 4,291.00

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Solution

The fourth proportional to 10,217.36, 15,328.49 and 4,291.00 is: 6,437.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,217.36 : 15,328.49 = 4,291.00 : x
  2. Step 2: Convert to fraction form
    10,217.36/15,328.49 = 4,291.00/x
  3. Step 3: Cross multiply
    10,217.36x = 15,328.49 × 4,291.00
  4. Step 4: Simplify right side
    10,217.36x = 65,774,490.81
  5. Step 5: Solve for x
    x = 65,774,490.81/10,217.36
  6. Step 6: Final answer
    x = 6,437.52

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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.