Home / 10,365.04-14,317.44-7,681.76

Finding the Fourth Proportional to 10,365.04, 14,317.44 and 7,681.76

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Solution

The fourth proportional to 10,365.04, 14,317.44 and 7,681.76 is: 10,610.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,365.04 : 14,317.44 = 7,681.76 : x
  2. Step 2: Convert to fraction form
    10,365.04/14,317.44 = 7,681.76/x
  3. Step 3: Cross multiply
    10,365.04x = 14,317.44 × 7,681.76
  4. Step 4: Simplify right side
    10,365.04x = 109,983,137.89
  5. Step 5: Solve for x
    x = 109,983,137.89/10,365.04
  6. Step 6: Final answer
    x = 10,610.97

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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.