Home / 10,506.56-15,762.08-5,244.40

Finding the Fourth Proportional to 10,506.56, 15,762.08 and 5,244.40

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Solution

The fourth proportional to 10,506.56, 15,762.08 and 5,244.40 is: 7,867.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,506.56 : 15,762.08 = 5,244.40 : x
  2. Step 2: Convert to fraction form
    10,506.56/15,762.08 = 5,244.40/x
  3. Step 3: Cross multiply
    10,506.56x = 15,762.08 × 5,244.40
  4. Step 4: Simplify right side
    10,506.56x = 82,662,652.35
  5. Step 5: Solve for x
    x = 82,662,652.35/10,506.56
  6. Step 6: Final answer
    x = 7,867.72

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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.