Home / 10,451.12-14,421.50-6,470.76

Finding the Fourth Proportional to 10,451.12, 14,421.50 and 6,470.76

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Solution

The fourth proportional to 10,451.12, 14,421.50 and 6,470.76 is: 8,929.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,451.12 : 14,421.50 = 6,470.76 : x
  2. Step 2: Convert to fraction form
    10,451.12/14,421.50 = 6,470.76/x
  3. Step 3: Cross multiply
    10,451.12x = 14,421.50 × 6,470.76
  4. Step 4: Simplify right side
    10,451.12x = 93,318,065.34
  5. Step 5: Solve for x
    x = 93,318,065.34/10,451.12
  6. Step 6: Final answer
    x = 8,929.00

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Half scale
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Double scale
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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.