Home / 10,911.02-15,053.19-7,368.62

Finding the Fourth Proportional to 10,911.02, 15,053.19 and 7,368.62

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Solution

The fourth proportional to 10,911.02, 15,053.19 and 7,368.62 is: 10,165.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,911.02 : 15,053.19 = 7,368.62 : x
  2. Step 2: Convert to fraction form
    10,911.02/15,053.19 = 7,368.62/x
  3. Step 3: Cross multiply
    10,911.02x = 15,053.19 × 7,368.62
  4. Step 4: Simplify right side
    10,911.02x = 110,921,236.90
  5. Step 5: Solve for x
    x = 110,921,236.90/10,911.02
  6. Step 6: Final answer
    x = 10,165.98

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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.