Home / 11,261.02-15,541.18-6,545

Finding the Fourth Proportional to 11,261.02, 15,541.18 and 6,545

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Solution

The fourth proportional to 11,261.02, 15,541.18 and 6,545 is: 9,032.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,261.02 : 15,541.18 = 6,545 : x
  2. Step 2: Convert to fraction form
    11,261.02/15,541.18 = 6,545/x
  3. Step 3: Cross multiply
    11,261.02x = 15,541.18 × 6,545
  4. Step 4: Simplify right side
    11,261.02x = 101,717,023.10
  5. Step 5: Solve for x
    x = 101,717,023.10/11,261.02
  6. Step 6: Final answer
    x = 9,032.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.