Home / 7,434.32-10,259.40-4,122.32

Finding the Fourth Proportional to 7,434.32, 10,259.40 and 4,122.32

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Solution

The fourth proportional to 7,434.32, 10,259.40 and 4,122.32 is: 5,688.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,434.32 : 10,259.40 = 4,122.32 : x
  2. Step 2: Convert to fraction form
    7,434.32/10,259.40 = 4,122.32/x
  3. Step 3: Cross multiply
    7,434.32x = 10,259.40 × 4,122.32
  4. Step 4: Simplify right side
    7,434.32x = 42,292,529.81
  5. Step 5: Solve for x
    x = 42,292,529.81/7,434.32
  6. Step 6: Final answer
    x = 5,688.82

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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.