Home / 9,715.44-13,408.02-5,465.91

Finding the Fourth Proportional to 9,715.44, 13,408.02 and 5,465.91

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Solution

The fourth proportional to 9,715.44, 13,408.02 and 5,465.91 is: 7,543.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,715.44 : 13,408.02 = 5,465.91 : x
  2. Step 2: Convert to fraction form
    9,715.44/13,408.02 = 5,465.91/x
  3. Step 3: Cross multiply
    9,715.44x = 13,408.02 × 5,465.91
  4. Step 4: Simplify right side
    9,715.44x = 73,287,030.60
  5. Step 5: Solve for x
    x = 73,287,030.60/9,715.44
  6. Step 6: Final answer
    x = 7,543.36

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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.