Home / 9,939.02-13,715.51-5,462.49

Finding the Fourth Proportional to 9,939.02, 13,715.51 and 5,462.49

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Solution

The fourth proportional to 9,939.02, 13,715.51 and 5,462.49 is: 7,538.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,939.02 : 13,715.51 = 5,462.49 : x
  2. Step 2: Convert to fraction form
    9,939.02/13,715.51 = 5,462.49/x
  3. Step 3: Cross multiply
    9,939.02x = 13,715.51 × 5,462.49
  4. Step 4: Simplify right side
    9,939.02x = 74,920,836.22
  5. Step 5: Solve for x
    x = 74,920,836.22/9,939.02
  6. Step 6: Final answer
    x = 7,538.05

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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.