Home / 7,430.56-10,254.30-4,073.32

Finding the Fourth Proportional to 7,430.56, 10,254.30 and 4,073.32

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Solution

The fourth proportional to 7,430.56, 10,254.30 and 4,073.32 is: 5,621.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.56 : 10,254.30 = 4,073.32 : x
  2. Step 2: Convert to fraction form
    7,430.56/10,254.30 = 4,073.32/x
  3. Step 3: Cross multiply
    7,430.56x = 10,254.30 × 4,073.32
  4. Step 4: Simplify right side
    7,430.56x = 41,769,045.28
  5. Step 5: Solve for x
    x = 41,769,045.28/7,430.56
  6. Step 6: Final answer
    x = 5,621.25

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Half scale
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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.