Home / 10,501.04-15,715.23-8,605.01

Finding the Fourth Proportional to 10,501.04, 15,715.23 and 8,605.01

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Solution

The fourth proportional to 10,501.04, 15,715.23 and 8,605.01 is: 12,877.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,501.04 : 15,715.23 = 8,605.01 : x
  2. Step 2: Convert to fraction form
    10,501.04/15,715.23 = 8,605.01/x
  3. Step 3: Cross multiply
    10,501.04x = 15,715.23 × 8,605.01
  4. Step 4: Simplify right side
    10,501.04x = 135,229,750.59
  5. Step 5: Solve for x
    x = 135,229,750.59/10,501.04
  6. Step 6: Final answer
    x = 12,877.75

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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.