Home / 7,269.40-10,029.14-4,123.76

Finding the Fourth Proportional to 7,269.40, 10,029.14 and 4,123.76

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Solution

The fourth proportional to 7,269.40, 10,029.14 and 4,123.76 is: 5,689.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,269.40 : 10,029.14 = 4,123.76 : x
  2. Step 2: Convert to fraction form
    7,269.40/10,029.14 = 4,123.76/x
  3. Step 3: Cross multiply
    7,269.40x = 10,029.14 × 4,123.76
  4. Step 4: Simplify right side
    7,269.40x = 41,357,779.08
  5. Step 5: Solve for x
    x = 41,357,779.08/7,269.40
  6. Step 6: Final answer
    x = 5,689.30

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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.