Home / 10,330.77-14,256.35-5,615.02

Finding the Fourth Proportional to 10,330.77, 14,256.35 and 5,615.02

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Solution

The fourth proportional to 10,330.77, 14,256.35 and 5,615.02 is: 7,748.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,330.77 : 14,256.35 = 5,615.02 : x
  2. Step 2: Convert to fraction form
    10,330.77/14,256.35 = 5,615.02/x
  3. Step 3: Cross multiply
    10,330.77x = 14,256.35 × 5,615.02
  4. Step 4: Simplify right side
    10,330.77x = 80,049,633.13
  5. Step 5: Solve for x
    x = 80,049,633.13/10,330.77
  6. Step 6: Final answer
    x = 7,748.66

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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.