Home / 13,045.04-17,999.34-7,741.62

Finding the Fourth Proportional to 13,045.04, 17,999.34 and 7,741.62

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Solution

The fourth proportional to 13,045.04, 17,999.34 and 7,741.62 is: 10,681.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,045.04 : 17,999.34 = 7,741.62 : x
  2. Step 2: Convert to fraction form
    13,045.04/17,999.34 = 7,741.62/x
  3. Step 3: Cross multiply
    13,045.04x = 17,999.34 × 7,741.62
  4. Step 4: Simplify right side
    13,045.04x = 139,344,050.53
  5. Step 5: Solve for x
    x = 139,344,050.53/13,045.04
  6. Step 6: Final answer
    x = 10,681.76

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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.