Home / 10,491.72-14,482.50-6,956.12

Finding the Fourth Proportional to 10,491.72, 14,482.50 and 6,956.12

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Solution

The fourth proportional to 10,491.72, 14,482.50 and 6,956.12 is: 9,602.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,491.72 : 14,482.50 = 6,956.12 : x
  2. Step 2: Convert to fraction form
    10,491.72/14,482.50 = 6,956.12/x
  3. Step 3: Cross multiply
    10,491.72x = 14,482.50 × 6,956.12
  4. Step 4: Simplify right side
    10,491.72x = 100,742,007.90
  5. Step 5: Solve for x
    x = 100,742,007.90/10,491.72
  6. Step 6: Final answer
    x = 9,602.05

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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.