Home / 10,518.60-14,515.84-5,802.88

Finding the Fourth Proportional to 10,518.60, 14,515.84 and 5,802.88

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Solution

The fourth proportional to 10,518.60, 14,515.84 and 5,802.88 is: 8,008.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,518.60 : 14,515.84 = 5,802.88 : x
  2. Step 2: Convert to fraction form
    10,518.60/14,515.84 = 5,802.88/x
  3. Step 3: Cross multiply
    10,518.60x = 14,515.84 × 5,802.88
  4. Step 4: Simplify right side
    10,518.60x = 84,233,677.62
  5. Step 5: Solve for x
    x = 84,233,677.62/10,518.60
  6. Step 6: Final answer
    x = 8,008.07

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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.