Home / 8,445.28-11,651.16-5,300.32

Finding the Fourth Proportional to 8,445.28, 11,651.16 and 5,300.32

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Solution

The fourth proportional to 8,445.28, 11,651.16 and 5,300.32 is: 7,312.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,445.28 : 11,651.16 = 5,300.32 : x
  2. Step 2: Convert to fraction form
    8,445.28/11,651.16 = 5,300.32/x
  3. Step 3: Cross multiply
    8,445.28x = 11,651.16 × 5,300.32
  4. Step 4: Simplify right side
    8,445.28x = 61,754,876.37
  5. Step 5: Solve for x
    x = 61,754,876.37/8,445.28
  6. Step 6: Final answer
    x = 7,312.35

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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.