Home / 15,710.04-23,558.66-7,809.72

Finding the Fourth Proportional to 15,710.04, 23,558.66 and 7,809.72

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Solution

The fourth proportional to 15,710.04, 23,558.66 and 7,809.72 is: 11,711.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,710.04 : 23,558.66 = 7,809.72 : x
  2. Step 2: Convert to fraction form
    15,710.04/23,558.66 = 7,809.72/x
  3. Step 3: Cross multiply
    15,710.04x = 23,558.66 × 7,809.72
  4. Step 4: Simplify right side
    15,710.04x = 183,986,538.18
  5. Step 5: Solve for x
    x = 183,986,538.18/15,710.04
  6. Step 6: Final answer
    x = 11,711.40

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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.