Home / 10,290.57-15,434.65-4,368.34

Finding the Fourth Proportional to 10,290.57, 15,434.65 and 4,368.34

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Solution

The fourth proportional to 10,290.57, 15,434.65 and 4,368.34 is: 6,552.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,290.57 : 15,434.65 = 4,368.34 : x
  2. Step 2: Convert to fraction form
    10,290.57/15,434.65 = 4,368.34/x
  3. Step 3: Cross multiply
    10,290.57x = 15,434.65 × 4,368.34
  4. Step 4: Simplify right side
    10,290.57x = 67,423,798.98
  5. Step 5: Solve for x
    x = 67,423,798.98/10,290.57
  6. Step 6: Final answer
    x = 6,552.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.