Home / 7,123.29-9,833.58-4,472.16

Finding the Fourth Proportional to 7,123.29, 9,833.58 and 4,472.16

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Solution

The fourth proportional to 7,123.29, 9,833.58 and 4,472.16 is: 6,173.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,123.29 : 9,833.58 = 4,472.16 : x
  2. Step 2: Convert to fraction form
    7,123.29/9,833.58 = 4,472.16/x
  3. Step 3: Cross multiply
    7,123.29x = 9,833.58 × 4,472.16
  4. Step 4: Simplify right side
    7,123.29x = 43,977,343.13
  5. Step 5: Solve for x
    x = 43,977,343.13/7,123.29
  6. Step 6: Final answer
    x = 6,173.74

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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.