Home / 10,445.36-14,415.24-5,730.32

Finding the Fourth Proportional to 10,445.36, 14,415.24 and 5,730.32

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Solution

The fourth proportional to 10,445.36, 14,415.24 and 5,730.32 is: 7,908.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,445.36 : 14,415.24 = 5,730.32 : x
  2. Step 2: Convert to fraction form
    10,445.36/14,415.24 = 5,730.32/x
  3. Step 3: Cross multiply
    10,445.36x = 14,415.24 × 5,730.32
  4. Step 4: Simplify right side
    10,445.36x = 82,603,938.08
  5. Step 5: Solve for x
    x = 82,603,938.08/10,445.36
  6. Step 6: Final answer
    x = 7,908.19

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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.