Home / 10,467.78-14,430.60-7,482.53

Finding the Fourth Proportional to 10,467.78, 14,430.60 and 7,482.53

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Solution

The fourth proportional to 10,467.78, 14,430.60 and 7,482.53 is: 10,315.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,467.78 : 14,430.60 = 7,482.53 : x
  2. Step 2: Convert to fraction form
    10,467.78/14,430.60 = 7,482.53/x
  3. Step 3: Cross multiply
    10,467.78x = 14,430.60 × 7,482.53
  4. Step 4: Simplify right side
    10,467.78x = 107,977,325.27
  5. Step 5: Solve for x
    x = 107,977,325.27/10,467.78
  6. Step 6: Final answer
    x = 10,315.21

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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.