Home / 10,359.40-15,534.60-4,810.90

Finding the Fourth Proportional to 10,359.40, 15,534.60 and 4,810.90

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Solution

The fourth proportional to 10,359.40, 15,534.60 and 4,810.90 is: 7,214.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,359.40 : 15,534.60 = 4,810.90 : x
  2. Step 2: Convert to fraction form
    10,359.40/15,534.60 = 4,810.90/x
  3. Step 3: Cross multiply
    10,359.40x = 15,534.60 × 4,810.90
  4. Step 4: Simplify right side
    10,359.40x = 74,735,407.14
  5. Step 5: Solve for x
    x = 74,735,407.14/10,359.40
  6. Step 6: Final answer
    x = 7,214.26

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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.