Home / 10,572.19-14,595.60-7,219.87

Finding the Fourth Proportional to 10,572.19, 14,595.60 and 7,219.87

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Solution

The fourth proportional to 10,572.19, 14,595.60 and 7,219.87 is: 9,967.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,572.19 : 14,595.60 = 7,219.87 : x
  2. Step 2: Convert to fraction form
    10,572.19/14,595.60 = 7,219.87/x
  3. Step 3: Cross multiply
    10,572.19x = 14,595.60 × 7,219.87
  4. Step 4: Simplify right side
    10,572.19x = 105,378,334.57
  5. Step 5: Solve for x
    x = 105,378,334.57/10,572.19
  6. Step 6: Final answer
    x = 9,967.50

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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.