Home / 10,465.52-14,442.40-5,685.36

Finding the Fourth Proportional to 10,465.52, 14,442.40 and 5,685.36

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Solution

The fourth proportional to 10,465.52, 14,442.40 and 5,685.36 is: 7,845.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,465.52 : 14,442.40 = 5,685.36 : x
  2. Step 2: Convert to fraction form
    10,465.52/14,442.40 = 5,685.36/x
  3. Step 3: Cross multiply
    10,465.52x = 14,442.40 × 5,685.36
  4. Step 4: Simplify right side
    10,465.52x = 82,110,243.26
  5. Step 5: Solve for x
    x = 82,110,243.26/10,465.52
  6. Step 6: Final answer
    x = 7,845.79

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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.