Home / 10,366.90-15,543.06-4,814.36

Finding the Fourth Proportional to 10,366.90, 15,543.06 and 4,814.36

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Solution

The fourth proportional to 10,366.90, 15,543.06 and 4,814.36 is: 7,218.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366.90 : 15,543.06 = 4,814.36 : x
  2. Step 2: Convert to fraction form
    10,366.90/15,543.06 = 4,814.36/x
  3. Step 3: Cross multiply
    10,366.90x = 15,543.06 × 4,814.36
  4. Step 4: Simplify right side
    10,366.90x = 74,829,886.34
  5. Step 5: Solve for x
    x = 74,829,886.34/10,366.90
  6. Step 6: Final answer
    x = 7,218.15

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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.