Home / 9,130.77-13,686.10-3,583.08

Finding the Fourth Proportional to 9,130.77, 13,686.10 and 3,583.08

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Solution

The fourth proportional to 9,130.77, 13,686.10 and 3,583.08 is: 5,370.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,130.77 : 13,686.10 = 3,583.08 : x
  2. Step 2: Convert to fraction form
    9,130.77/13,686.10 = 3,583.08/x
  3. Step 3: Cross multiply
    9,130.77x = 13,686.10 × 3,583.08
  4. Step 4: Simplify right side
    9,130.77x = 49,038,391.19
  5. Step 5: Solve for x
    x = 49,038,391.19/9,130.77
  6. Step 6: Final answer
    x = 5,370.67

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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.