Home / 7,615.02-10,505.76-4,781.18

Finding the Fourth Proportional to 7,615.02, 10,505.76 and 4,781.18

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Solution

The fourth proportional to 7,615.02, 10,505.76 and 4,781.18 is: 6,596.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,615.02 : 10,505.76 = 4,781.18 : x
  2. Step 2: Convert to fraction form
    7,615.02/10,505.76 = 4,781.18/x
  3. Step 3: Cross multiply
    7,615.02x = 10,505.76 × 4,781.18
  4. Step 4: Simplify right side
    7,615.02x = 50,229,929.60
  5. Step 5: Solve for x
    x = 50,229,929.60/7,615.02
  6. Step 6: Final answer
    x = 6,596.17

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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.