Home / 28,582.04-42,856.14-11,710.02

Finding the Fourth Proportional to 28,582.04, 42,856.14 and 11,710.02

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Solution

The fourth proportional to 28,582.04, 42,856.14 and 11,710.02 is: 17,558.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,582.04 : 42,856.14 = 11,710.02 : x
  2. Step 2: Convert to fraction form
    28,582.04/42,856.14 = 11,710.02/x
  3. Step 3: Cross multiply
    28,582.04x = 42,856.14 × 11,710.02
  4. Step 4: Simplify right side
    28,582.04x = 501,846,228.31
  5. Step 5: Solve for x
    x = 501,846,228.31/28,582.04
  6. Step 6: Final answer
    x = 17,558.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.