Home / 10,332.64-14,254.68-6,140.08

Finding the Fourth Proportional to 10,332.64, 14,254.68 and 6,140.08

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Solution

The fourth proportional to 10,332.64, 14,254.68 and 6,140.08 is: 8,470.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,332.64 : 14,254.68 = 6,140.08 : x
  2. Step 2: Convert to fraction form
    10,332.64/14,254.68 = 6,140.08/x
  3. Step 3: Cross multiply
    10,332.64x = 14,254.68 × 6,140.08
  4. Step 4: Simplify right side
    10,332.64x = 87,524,875.57
  5. Step 5: Solve for x
    x = 87,524,875.57/10,332.64
  6. Step 6: Final answer
    x = 8,470.72

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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.