Home / 11,008.90-15,192.93-10,510.75

Finding the Fourth Proportional to 11,008.90, 15,192.93 and 10,510.75

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Solution

The fourth proportional to 11,008.90, 15,192.93 and 10,510.75 is: 14,505.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,008.90 : 15,192.93 = 10,510.75 : x
  2. Step 2: Convert to fraction form
    11,008.90/15,192.93 = 10,510.75/x
  3. Step 3: Cross multiply
    11,008.90x = 15,192.93 × 10,510.75
  4. Step 4: Simplify right side
    11,008.90x = 159,689,089.00
  5. Step 5: Solve for x
    x = 159,689,089.00/11,008.90
  6. Step 6: Final answer
    x = 14,505.45

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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.