Home / 11,529.04-15,895.52-7,543.84

Finding the Fourth Proportional to 11,529.04, 15,895.52 and 7,543.84

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Solution

The fourth proportional to 11,529.04, 15,895.52 and 7,543.84 is: 10,400.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,529.04 : 15,895.52 = 7,543.84 : x
  2. Step 2: Convert to fraction form
    11,529.04/15,895.52 = 7,543.84/x
  3. Step 3: Cross multiply
    11,529.04x = 15,895.52 × 7,543.84
  4. Step 4: Simplify right side
    11,529.04x = 119,913,259.60
  5. Step 5: Solve for x
    x = 119,913,259.60/11,529.04
  6. Step 6: Final answer
    x = 10,400.98

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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.