Home / 10,356.60-15,519.54-7,607.16

Finding the Fourth Proportional to 10,356.60, 15,519.54 and 7,607.16

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Solution

The fourth proportional to 10,356.60, 15,519.54 and 7,607.16 is: 11,399.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,356.60 : 15,519.54 = 7,607.16 : x
  2. Step 2: Convert to fraction form
    10,356.60/15,519.54 = 7,607.16/x
  3. Step 3: Cross multiply
    10,356.60x = 15,519.54 × 7,607.16
  4. Step 4: Simplify right side
    10,356.60x = 118,059,623.91
  5. Step 5: Solve for x
    x = 118,059,623.91/10,356.60
  6. Step 6: Final answer
    x = 11,399.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.