Home / 11,045.55-15,242.02-7,012.07

Finding the Fourth Proportional to 11,045.55, 15,242.02 and 7,012.07

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Solution

The fourth proportional to 11,045.55, 15,242.02 and 7,012.07 is: 9,676.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,045.55 : 15,242.02 = 7,012.07 : x
  2. Step 2: Convert to fraction form
    11,045.55/15,242.02 = 7,012.07/x
  3. Step 3: Cross multiply
    11,045.55x = 15,242.02 × 7,012.07
  4. Step 4: Simplify right side
    11,045.55x = 106,878,114.04
  5. Step 5: Solve for x
    x = 106,878,114.04/11,045.55
  6. Step 6: Final answer
    x = 9,676.13

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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.