Home / 10,459.23-14,433.39-7,480.05

Finding the Fourth Proportional to 10,459.23, 14,433.39 and 7,480.05

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Solution

The fourth proportional to 10,459.23, 14,433.39 and 7,480.05 is: 10,322.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,459.23 : 14,433.39 = 7,480.05 : x
  2. Step 2: Convert to fraction form
    10,459.23/14,433.39 = 7,480.05/x
  3. Step 3: Cross multiply
    10,459.23x = 14,433.39 × 7,480.05
  4. Step 4: Simplify right side
    10,459.23x = 107,962,424.74
  5. Step 5: Solve for x
    x = 107,962,424.74/10,459.23
  6. Step 6: Final answer
    x = 10,322.22

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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.