Home / 7,153.08-9,875.18-4,887.84

Finding the Fourth Proportional to 7,153.08, 9,875.18 and 4,887.84

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Solution

The fourth proportional to 7,153.08, 9,875.18 and 4,887.84 is: 6,747.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,153.08 : 9,875.18 = 4,887.84 : x
  2. Step 2: Convert to fraction form
    7,153.08/9,875.18 = 4,887.84/x
  3. Step 3: Cross multiply
    7,153.08x = 9,875.18 × 4,887.84
  4. Step 4: Simplify right side
    7,153.08x = 48,268,299.81
  5. Step 5: Solve for x
    x = 48,268,299.81/7,153.08
  6. Step 6: Final answer
    x = 6,747.90

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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.