Home / 7,432.10-10,256.16-4,074.76

Finding the Fourth Proportional to 7,432.10, 10,256.16 and 4,074.76

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Solution

The fourth proportional to 7,432.10, 10,256.16 and 4,074.76 is: 5,623.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,432.10 : 10,256.16 = 4,074.76 : x
  2. Step 2: Convert to fraction form
    7,432.10/10,256.16 = 4,074.76/x
  3. Step 3: Cross multiply
    7,432.10x = 10,256.16 × 4,074.76
  4. Step 4: Simplify right side
    7,432.10x = 41,791,390.52
  5. Step 5: Solve for x
    x = 41,791,390.52/7,432.10
  6. Step 6: Final answer
    x = 5,623.09

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Half scale
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Double scale
Find fourth proportional to 7,433.10, 10,257.54 and 4,075.76
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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.