Home / 10,748.16-16,125.12-4,903.20

Finding the Fourth Proportional to 10,748.16, 16,125.12 and 4,903.20

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Solution

The fourth proportional to 10,748.16, 16,125.12 and 4,903.20 is: 7,356.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,748.16 : 16,125.12 = 4,903.20 : x
  2. Step 2: Convert to fraction form
    10,748.16/16,125.12 = 4,903.20/x
  3. Step 3: Cross multiply
    10,748.16x = 16,125.12 × 4,903.20
  4. Step 4: Simplify right side
    10,748.16x = 79,064,688.38
  5. Step 5: Solve for x
    x = 79,064,688.38/10,748.16
  6. Step 6: Final answer
    x = 7,356.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.