Home / 11,361.30-15,681.53-10,180.34

Finding the Fourth Proportional to 11,361.30, 15,681.53 and 10,180.34

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Solution

The fourth proportional to 11,361.30, 15,681.53 and 10,180.34 is: 14,051.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,361.30 : 15,681.53 = 10,180.34 : x
  2. Step 2: Convert to fraction form
    11,361.30/15,681.53 = 10,180.34/x
  3. Step 3: Cross multiply
    11,361.30x = 15,681.53 × 10,180.34
  4. Step 4: Simplify right side
    11,361.30x = 159,643,307.12
  5. Step 5: Solve for x
    x = 159,643,307.12/11,361.30
  6. Step 6: Final answer
    x = 14,051.50

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1.5x scale

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.