Home / 11,319.55-16,971.58-5,762.14

Finding the Fourth Proportional to 11,319.55, 16,971.58 and 5,762.14

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Solution

The fourth proportional to 11,319.55, 16,971.58 and 5,762.14 is: 8,639.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,319.55 : 16,971.58 = 5,762.14 : x
  2. Step 2: Convert to fraction form
    11,319.55/16,971.58 = 5,762.14/x
  3. Step 3: Cross multiply
    11,319.55x = 16,971.58 × 5,762.14
  4. Step 4: Simplify right side
    11,319.55x = 97,792,552.34
  5. Step 5: Solve for x
    x = 97,792,552.34/11,319.55
  6. Step 6: Final answer
    x = 8,639.26

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1.5x scale

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.