Home / 10,331.02-14,256.48-5,615.32

Finding the Fourth Proportional to 10,331.02, 14,256.48 and 5,615.32

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Solution

The fourth proportional to 10,331.02, 14,256.48 and 5,615.32 is: 7,748.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,331.02 : 14,256.48 = 5,615.32 : x
  2. Step 2: Convert to fraction form
    10,331.02/14,256.48 = 5,615.32/x
  3. Step 3: Cross multiply
    10,331.02x = 14,256.48 × 5,615.32
  4. Step 4: Simplify right side
    10,331.02x = 80,054,697.27
  5. Step 5: Solve for x
    x = 80,054,697.27/10,331.02
  6. Step 6: Final answer
    x = 7,748.96

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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.